diff options
-rw-r--r-- | drivers/staging/batman-adv/aggregation.c | 12 | ||||
-rw-r--r-- | drivers/staging/batman-adv/bat_debugfs.c | 14 | ||||
-rw-r--r-- | drivers/staging/batman-adv/icmp_socket.c | 24 | ||||
-rw-r--r-- | drivers/staging/batman-adv/originator.c | 37 | ||||
-rw-r--r-- | drivers/staging/batman-adv/routing.c | 49 | ||||
-rw-r--r-- | drivers/staging/batman-adv/send.c | 32 | ||||
-rw-r--r-- | drivers/staging/batman-adv/soft-interface.c | 10 | ||||
-rw-r--r-- | drivers/staging/batman-adv/translation-table.c | 70 | ||||
-rw-r--r-- | drivers/staging/batman-adv/unicast.c | 12 | ||||
-rw-r--r-- | drivers/staging/batman-adv/vis.c | 90 |
10 files changed, 147 insertions, 203 deletions
diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c index 3dfed2f..0c92e3b 100644 --- a/drivers/staging/batman-adv/aggregation.c +++ b/drivers/staging/batman-adv/aggregation.c @@ -104,7 +104,6 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, { struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct forw_packet *forw_packet_aggr; - unsigned long flags; unsigned char *skb_buff; /* own packet should always be scheduled */ @@ -156,9 +155,9 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len, forw_packet_aggr->direct_link_flags |= 1; /* add new packet to packet list */ - spin_lock_irqsave(&bat_priv->forw_bat_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bat_list_lock); hlist_add_head(&forw_packet_aggr->list, &bat_priv->forw_bat_list); - spin_unlock_irqrestore(&bat_priv->forw_bat_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); /* start timer for this packet */ INIT_DELAYED_WORK(&forw_packet_aggr->delayed_work, @@ -201,10 +200,9 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv, struct batman_packet *batman_packet = (struct batman_packet *)packet_buff; bool direct_link = batman_packet->flags & DIRECTLINK ? 1 : 0; - unsigned long flags; /* find position for the packet in the forward queue */ - spin_lock_irqsave(&bat_priv->forw_bat_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bat_list_lock); /* own packets are not to be aggregated */ if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) { hlist_for_each_entry(forw_packet_pos, tmp_node, @@ -225,7 +223,7 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv, * suitable aggregation packet found */ if (forw_packet_aggr == NULL) { /* the following section can run without the lock */ - spin_unlock_irqrestore(&bat_priv->forw_bat_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); /** * if we could not aggregate this packet with one of the others @@ -243,7 +241,7 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv, aggregate(forw_packet_aggr, packet_buff, packet_len, direct_link); - spin_unlock_irqrestore(&bat_priv->forw_bat_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); } } diff --git a/drivers/staging/batman-adv/bat_debugfs.c b/drivers/staging/batman-adv/bat_debugfs.c index 22f3eb9..cbac1a5 100644 --- a/drivers/staging/batman-adv/bat_debugfs.c +++ b/drivers/staging/batman-adv/bat_debugfs.c @@ -54,12 +54,11 @@ static int fdebug_log(struct debug_log *debug_log, char *fmt, ...) va_list args; static char debug_log_buf[256]; char *p; - unsigned long flags; if (!debug_log) return 0; - spin_lock_irqsave(&debug_log->lock, flags); + spin_lock_bh(&debug_log->lock); va_start(args, fmt); printed_len = vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args); @@ -68,7 +67,7 @@ static int fdebug_log(struct debug_log *debug_log, char *fmt, ...) for (p = debug_log_buf; *p != 0; p++) emit_log_char(debug_log, *p); - spin_unlock_irqrestore(&debug_log->lock, flags); + spin_unlock_bh(&debug_log->lock); wake_up(&debug_log->queue_wait); @@ -110,7 +109,6 @@ static ssize_t log_read(struct file *file, char __user *buf, struct debug_log *debug_log = bat_priv->debug_log; int error, i = 0; char c; - unsigned long flags; if ((file->f_flags & O_NONBLOCK) && !(debug_log->log_end - debug_log->log_start)) @@ -131,7 +129,7 @@ static ssize_t log_read(struct file *file, char __user *buf, if (error) return error; - spin_lock_irqsave(&debug_log->lock, flags); + spin_lock_bh(&debug_log->lock); while ((!error) && (i < count) && (debug_log->log_start != debug_log->log_end)) { @@ -139,18 +137,18 @@ static ssize_t log_read(struct file *file, char __user *buf, debug_log->log_start++; - spin_unlock_irqrestore(&debug_log->lock, flags); + spin_unlock_bh(&debug_log->lock); error = __put_user(c, buf); - spin_lock_irqsave(&debug_log->lock, flags); + spin_lock_bh(&debug_log->lock); buf++; i++; } - spin_unlock_irqrestore(&debug_log->lock, flags); + spin_unlock_bh(&debug_log->lock); if (!error) return i; diff --git a/drivers/staging/batman-adv/icmp_socket.c b/drivers/staging/batman-adv/icmp_socket.c index a8c98aa..a933ca6 100644 --- a/drivers/staging/batman-adv/icmp_socket.c +++ b/drivers/staging/batman-adv/icmp_socket.c @@ -85,9 +85,8 @@ static int bat_socket_release(struct inode *inode, struct file *file) struct socket_client *socket_client = file->private_data; struct socket_packet *socket_packet; struct list_head *list_pos, *list_pos_tmp; - unsigned long flags; - spin_lock_irqsave(&socket_client->lock, flags); + spin_lock_bh(&socket_client->lock); /* for all packets in the queue ... */ list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) { @@ -99,7 +98,7 @@ static int bat_socket_release(struct inode *inode, struct file *file) } socket_client_hash[socket_client->index] = NULL; - spin_unlock_irqrestore(&socket_client->lock, flags); + spin_unlock_bh(&socket_client->lock); kfree(socket_client); dec_module_count(); @@ -114,7 +113,6 @@ static ssize_t bat_socket_read(struct file *file, char __user *buf, struct socket_packet *socket_packet; size_t packet_len; int error; - unsigned long flags; if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0)) return -EAGAIN; @@ -131,14 +129,14 @@ static ssize_t bat_socket_read(struct file *file, char __user *buf, if (error) return error; - spin_lock_irqsave(&socket_client->lock, flags); + spin_lock_bh(&socket_client->lock); socket_packet = list_first_entry(&socket_client->queue_list, struct socket_packet, list); list_del(&socket_packet->list); socket_client->queue_len--; - spin_unlock_irqrestore(&socket_client->lock, flags); + spin_unlock_bh(&socket_client->lock); error = __copy_to_user(buf, &socket_packet->icmp_packet, socket_packet->icmp_len); @@ -164,7 +162,6 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, struct batman_if *batman_if; size_t packet_len = sizeof(struct icmp_packet); uint8_t dstaddr[ETH_ALEN]; - unsigned long flags; if (len < sizeof(struct icmp_packet)) { bat_dbg(DBG_BATMAN, bat_priv, @@ -224,7 +221,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) goto dst_unreach; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *)hash_find(bat_priv->orig_hash, compare_orig, choose_orig, icmp_packet->dst)); @@ -238,7 +235,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, batman_if = orig_node->router->if_incoming; memcpy(dstaddr, orig_node->router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); if (!batman_if) goto dst_unreach; @@ -258,7 +255,7 @@ static ssize_t bat_socket_write(struct file *file, const char __user *buff, goto out; unlock: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); dst_unreach: icmp_packet->msg_type = DESTINATION_UNREACHABLE; bat_socket_add_packet(socket_client, icmp_packet, packet_len); @@ -313,7 +310,6 @@ static void bat_socket_add_packet(struct socket_client *socket_client, size_t icmp_len) { struct socket_packet *socket_packet; - unsigned long flags; socket_packet = kmalloc(sizeof(struct socket_packet), GFP_ATOMIC); @@ -324,12 +320,12 @@ static void bat_socket_add_packet(struct socket_client *socket_client, memcpy(&socket_packet->icmp_packet, icmp_packet, icmp_len); socket_packet->icmp_len = icmp_len; - spin_lock_irqsave(&socket_client->lock, flags); + spin_lock_bh(&socket_client->lock); /* while waiting for the lock the socket_client could have been * deleted */ if (!socket_client_hash[icmp_packet->uid]) { - spin_unlock_irqrestore(&socket_client->lock, flags); + spin_unlock_bh(&socket_client->lock); kfree(socket_packet); return; } @@ -346,7 +342,7 @@ static void bat_socket_add_packet(struct socket_client *socket_client, socket_client->queue_len--; } - spin_unlock_irqrestore(&socket_client->lock, flags); + spin_unlock_bh(&socket_client->lock); wake_up(&socket_client->queue_wait); } diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c index a4b7d37..8bef468 100644 --- a/drivers/staging/batman-adv/originator.c +++ b/drivers/staging/batman-adv/originator.c @@ -40,22 +40,21 @@ static void start_purge_timer(struct bat_priv *bat_priv) int originator_init(struct bat_priv *bat_priv) { - unsigned long flags; if (bat_priv->orig_hash) return 1; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); bat_priv->orig_hash = hash_new(128); if (!bat_priv->orig_hash) goto err; - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); start_purge_timer(bat_priv); return 1; err: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return 0; } @@ -108,17 +107,15 @@ static void free_orig_node(void *data, void *arg) void originator_free(struct bat_priv *bat_priv) { - unsigned long flags; - if (!bat_priv->orig_hash) return; cancel_delayed_work_sync(&bat_priv->orig_work); - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); hash_delete(bat_priv->orig_hash, free_orig_node, bat_priv); bat_priv->orig_hash = NULL; - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); } /* this function finds or creates an originator entry for the given @@ -273,9 +270,8 @@ static void _purge_orig(struct bat_priv *bat_priv) HASHIT(hashit); struct element_t *bucket; struct orig_node *orig_node; - unsigned long flags; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); /* for all origins... */ while (hash_iterate(bat_priv->orig_hash, &hashit)) { @@ -292,7 +288,7 @@ static void _purge_orig(struct bat_priv *bat_priv) frag_list_free(&orig_node->frag_list); } - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); softif_neigh_purge(bat_priv); } @@ -324,7 +320,6 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) int batman_count = 0; int last_seen_secs; int last_seen_msecs; - unsigned long flags; if ((!bat_priv->primary_if) || (bat_priv->primary_if->if_status != IF_ACTIVE)) { @@ -346,7 +341,7 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) "Originator", "last-seen", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF", "Potential nexthops"); - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); while (hash_iterate(bat_priv->orig_hash, &hashit)) { bucket = hlist_entry(hashit.walk, struct element_t, hlist); @@ -377,7 +372,7 @@ int orig_seq_print_text(struct seq_file *seq, void *offset) batman_count++; } - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); if ((batman_count == 0)) seq_printf(seq, "No batman nodes in range ...\n"); @@ -419,13 +414,12 @@ int orig_hash_add_if(struct batman_if *batman_if, int max_if_num) { struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface); struct orig_node *orig_node; - unsigned long flags; HASHIT(hashit); struct element_t *bucket; /* resize all orig nodes because orig_node->bcast_own(_sum) depend on * if_num */ - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); while (hash_iterate(bat_priv->orig_hash, &hashit)) { bucket = hlist_entry(hashit.walk, struct element_t, hlist); @@ -435,11 +429,11 @@ int orig_hash_add_if(struct batman_if *batman_if, int max_if_num) goto err; } - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return 0; err: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return -ENOMEM; } @@ -500,14 +494,13 @@ int orig_hash_del_if(struct batman_if *batman_if, int max_if_num) struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface); struct batman_if *batman_if_tmp; struct orig_node *orig_node; - unsigned long flags; HASHIT(hashit); struct element_t *bucket; int ret; /* resize all orig nodes because orig_node->bcast_own(_sum) depend on * if_num */ - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); while (hash_iterate(bat_priv->orig_hash, &hashit)) { bucket = hlist_entry(hashit.walk, struct element_t, hlist); @@ -538,10 +531,10 @@ int orig_hash_del_if(struct batman_if *batman_if, int max_if_num) rcu_read_unlock(); batman_if->if_num = -1; - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return 0; err: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return -ENOMEM; } diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c index 77e5d14..1536963 100644 --- a/drivers/staging/batman-adv/routing.c +++ b/drivers/staging/batman-adv/routing.c @@ -41,9 +41,8 @@ void slide_own_bcast_window(struct batman_if *batman_if) struct element_t *bucket; struct orig_node *orig_node; TYPE_OF_WORD *word; - unsigned long flags; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); while (hash_iterate(bat_priv->orig_hash, &hashit)) { bucket = hlist_entry(hashit.walk, struct element_t, hlist); @@ -55,7 +54,7 @@ void slide_own_bcast_window(struct batman_if *batman_if) bit_packet_count(word); } - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); } static void update_HNA(struct bat_priv *bat_priv, struct orig_node *orig_node, @@ -749,7 +748,6 @@ int recv_bat_packet(struct sk_buff *skb, struct batman_if *batman_if) { struct bat_priv *bat_priv = netdev_priv(batman_if->soft_iface); struct ethhdr *ethhdr; - unsigned long flags; /* drop packet if it has not necessary minimum size */ if (unlikely(!pskb_may_pull(skb, sizeof(struct batman_packet)))) @@ -775,12 +773,12 @@ int recv_bat_packet(struct sk_buff *skb, struct batman_if *batman_if) ethhdr = (struct ethhdr *)skb_mac_header(skb); - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); receive_aggr_bat_packet(ethhdr, skb->data, skb_headlen(skb), batman_if); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); kfree_skb(skb); return NET_RX_SUCCESS; @@ -794,7 +792,6 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv, struct ethhdr *ethhdr; struct batman_if *batman_if; int ret; - unsigned long flags; uint8_t dstaddr[ETH_ALEN]; icmp_packet = (struct icmp_packet_rr *)skb->data; @@ -811,7 +808,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv, /* answer echo request (ping) */ /* get routing information */ - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *)hash_find(bat_priv->orig_hash, compare_orig, choose_orig, icmp_packet->orig)); @@ -824,7 +821,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv, * copy the required data before sending */ batman_if = orig_node->router->if_incoming; memcpy(dstaddr, orig_node->router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); /* create a copy of the skb, if needed, to modify it. */ if (skb_cow(skb, sizeof(struct ethhdr)) < 0) @@ -843,7 +840,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv, ret = NET_RX_SUCCESS; } else - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return ret; } @@ -856,7 +853,6 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, struct ethhdr *ethhdr; struct batman_if *batman_if; int ret; - unsigned long flags; uint8_t dstaddr[ETH_ALEN]; icmp_packet = (struct icmp_packet *)skb->data; @@ -874,7 +870,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, return NET_RX_DROP; /* get routing information */ - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *) hash_find(bat_priv->orig_hash, compare_orig, choose_orig, icmp_packet->orig)); @@ -887,7 +883,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, * copy the required data before sending */ batman_if = orig_node->router->if_incoming; memcpy(dstaddr, orig_node->router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); /* create a copy of the skb, if needed, to modify it. */ if (skb_cow(skb, sizeof(struct ethhdr)) < 0) @@ -906,7 +902,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, ret = NET_RX_SUCCESS; } else - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return ret; } @@ -921,7 +917,6 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if) struct batman_if *batman_if; int hdr_size = sizeof(struct icmp_packet); int ret; - unsigned long flags; uint8_t dstaddr[ETH_ALEN]; /** @@ -969,7 +964,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if) ret = NET_RX_DROP; /* get routing information */ - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *) hash_find(bat_priv->orig_hash, compare_orig, choose_orig, icmp_packet->dst)); @@ -981,7 +976,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if) * copy the required data before sending */ batman_if = orig_node->router->if_incoming; memcpy(dstaddr, orig_node->router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); /* create a copy of the skb, if needed, to modify it. */ if (skb_cow(skb, sizeof(struct ethhdr)) < 0) @@ -998,7 +993,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if) ret = NET_RX_SUCCESS; } else - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return ret; } @@ -1131,7 +1126,6 @@ int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if, struct neigh_node *router; struct batman_if *batman_if; uint8_t dstaddr[ETH_ALEN]; - unsigned long flags; struct unicast_packet *unicast_packet; struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb); int ret; @@ -1148,7 +1142,7 @@ int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if, } /* get routing information */ - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *) hash_find(bat_priv->orig_hash, compare_orig, choose_orig, unicast_packet->dest)); @@ -1156,7 +1150,7 @@ int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if, router = find_router(bat_priv, orig_node, recv_if); if (!router) { - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return NET_RX_DROP; } @@ -1166,7 +1160,7 @@ int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if, batman_if = router->if_incoming; memcpy(dstaddr, router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); /* create a copy of the skb, if needed, to modify it. */ if (skb_cow(skb, sizeof(struct ethhdr)) < 0) @@ -1266,7 +1260,6 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) struct ethhdr *ethhdr; int hdr_size = sizeof(struct bcast_packet); int32_t seq_diff; - unsigned long flags; /* drop packet if it has not necessary minimum size */ if (unlikely(!pskb_may_pull(skb, hdr_size))) @@ -1295,13 +1288,13 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) if (bcast_packet->ttl < 2) return NET_RX_DROP; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *) hash_find(bat_priv->orig_hash, compare_orig, choose_orig, bcast_packet->orig)); if (orig_node == NULL) { - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return NET_RX_DROP; } @@ -1309,7 +1302,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) if (get_bit_status(orig_node->bcast_bits, orig_node->last_bcast_seqno, ntohl(bcast_packet->seqno))) { - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return NET_RX_DROP; } @@ -1318,7 +1311,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) /* check whether the packet is old and the host just restarted. */ if (window_protected(bat_priv, seq_diff, &orig_node->bcast_seqno_reset)) { - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return NET_RX_DROP; } @@ -1327,7 +1320,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) if (bit_get_packet(bat_priv, orig_node->bcast_bits, seq_diff, 1)) orig_node->last_bcast_seqno = ntohl(bcast_packet->seqno); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); /* rebroadcast packet */ add_bcast_packet_to_list(bat_priv, skb); diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c index 1840ef0..9ed77d7 100644 --- a/drivers/staging/batman-adv/send.c +++ b/drivers/staging/batman-adv/send.c @@ -367,13 +367,12 @@ static void _add_bcast_packet_to_list(struct bat_priv *bat_priv, struct forw_packet *forw_packet, unsigned long send_time) { - unsigned long flags; INIT_HLIST_NODE(&forw_packet->list); /* add new packet to packet list */ - spin_lock_irqsave(&bat_priv->forw_bcast_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bcast_list_lock); hlist_add_head(&forw_packet->list, &bat_priv->forw_bcast_list); - spin_unlock_irqrestore(&bat_priv->forw_bcast_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bcast_list_lock); /* start timer for this packet */ INIT_DELAYED_WORK(&forw_packet->delayed_work, @@ -443,14 +442,13 @@ static void send_outstanding_bcast_packet(struct work_struct *work) container_of(work, struct delayed_work, work); struct forw_packet *forw_packet = container_of(delayed_work, struct forw_packet, delayed_work); - unsigned long flags; struct sk_buff *skb1; struct net_device *soft_iface = forw_packet->if_incoming->soft_iface; struct bat_priv *bat_priv = netdev_priv(soft_iface); - spin_lock_irqsave(&bat_priv->forw_bcast_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bcast_list_lock); hlist_del(&forw_packet->list); - spin_unlock_irqrestore(&bat_priv->forw_bcast_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bcast_list_lock); if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) goto out; @@ -488,13 +486,12 @@ void send_outstanding_bat_packet(struct work_struct *work) container_of(work, struct delayed_work, work); struct forw_packet *forw_packet = container_of(delayed_work, struct forw_packet, delayed_work); - unsigned long flags; struct bat_priv *bat_priv; bat_priv = netdev_priv(forw_packet->if_incoming->soft_iface); - spin_lock_irqsave(&bat_priv->forw_bat_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bat_list_lock); hlist_del(&forw_packet->list); - spin_unlock_irqrestore(&bat_priv->forw_bat_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) goto out; @@ -522,7 +519,6 @@ void purge_outstanding_packets(struct bat_priv *bat_priv, { struct forw_packet *forw_packet; struct hlist_node *tmp_node, *safe_tmp_node; - unsigned long flags; if (batman_if) bat_dbg(DBG_BATMAN, bat_priv, @@ -533,7 +529,7 @@ void purge_outstanding_packets(struct bat_priv *bat_priv, "purge_outstanding_packets()\n"); /* free bcast list */ - spin_lock_irqsave(&bat_priv->forw_bcast_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bcast_list_lock); hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node, &bat_priv->forw_bcast_list, list) { @@ -545,19 +541,19 @@ void purge_outstanding_packets(struct bat_priv *bat_priv, (forw_packet->if_incoming != batman_if)) continue; - spin_unlock_irqrestore(&bat_priv->forw_bcast_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bcast_list_lock); /** * send_outstanding_bcast_packet() will lock the list to * delete the item from the list */ cancel_delayed_work_sync(&forw_packet->delayed_work); - spin_lock_irqsave(&bat_priv->forw_bcast_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bcast_list_lock); } - spin_unlock_irqrestore(&bat_priv->forw_bcast_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bcast_list_lock); /* free batman packet list */ - spin_lock_irqsave(&bat_priv->forw_bat_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bat_list_lock); hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node, &bat_priv->forw_bat_list, list) { @@ -569,14 +565,14 @@ void purge_outstanding_packets(struct bat_priv *bat_priv, (forw_packet->if_incoming != batman_if)) continue; - spin_unlock_irqrestore(&bat_priv->forw_bat_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); /** * send_outstanding_bat_packet() will lock the list to * delete the item from the list */ cancel_delayed_work_sync(&forw_packet->delayed_work); - spin_lock_irqsave(&bat_priv->forw_bat_list_lock, flags); + spin_lock_bh(&bat_priv->forw_bat_list_lock); } - spin_unlock_irqrestore(&bat_priv->forw_bat_list_lock, flags); + spin_unlock_bh(&bat_priv->forw_bat_list_lock); } diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c index 1cf9aa2..28ffe34 100644 --- a/drivers/staging/batman-adv/soft-interface.c +++ b/drivers/staging/batman-adv/soft-interface.c @@ -97,9 +97,8 @@ void softif_neigh_purge(struct bat_priv *bat_priv) { struct softif_neigh *softif_neigh, *softif_neigh_tmp; struct hlist_node *node, *node_tmp; - unsigned long flags; - spin_lock_irqsave(&bat_priv->softif_neigh_lock, flags); + spin_lock_bh(&bat_priv->softif_neigh_lock); hlist_for_each_entry_safe(softif_neigh, node, node_tmp, &bat_priv->softif_neigh_list, list) { @@ -125,7 +124,7 @@ void softif_neigh_purge(struct bat_priv *bat_priv) call_rcu(&softif_neigh->rcu, softif_neigh_free_rcu); } - spin_unlock_irqrestore(&bat_priv->softif_neigh_lock, flags); + spin_unlock_bh(&bat_priv->softif_neigh_lock); } static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv, @@ -133,7 +132,6 @@ static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv, { struct softif_neigh *softif_neigh; struct hlist_node *node; - unsigned long flags; rcu_read_lock(); hlist_for_each_entry_rcu(softif_neigh, node, @@ -158,9 +156,9 @@ static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv, kref_init(&softif_neigh->refcount); INIT_HLIST_NODE(&softif_neigh->list); - spin_lock_irqsave(&bat_priv->softif_neigh_lock, flags); + spin_lock_bh(&bat_priv->softif_neigh_lock); hlist_add_head_rcu(&softif_neigh->list, &bat_priv->softif_neigh_list); - spin_unlock_irqrestore(&bat_priv->softif_neigh_lock, flags); + spin_unlock_bh(&bat_priv->softif_neigh_lock); found: kref_get(&softif_neigh->refcount); diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c index 6639bfb..4b0a107 100644 --- a/drivers/staging/batman-adv/translation-table.c +++ b/drivers/staging/batman-adv/translation-table.c @@ -59,15 +59,14 @@ void hna_local_add(struct net_device *soft_iface, uint8_t *addr) struct hna_local_entry *hna_local_entry; struct hna_global_entry *hna_global_entry; struct hashtable_t *swaphash; - unsigned long flags; int required_bytes; - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); hna_local_entry = ((struct hna_local_entry *)hash_find(bat_priv->hna_local_hash, compare_orig, choose_orig, addr)); - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); if (hna_local_entry) { hna_local_entry->last_seen = jiffies; @@ -107,7 +106,7 @@ void hna_local_add(struct net_device *soft_iface, uint8_t *addr) else hna_local_entry->never_purge = 0; - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); hash_add(bat_priv->hna_local_hash, compare_orig, choose_orig, hna_local_entry); @@ -125,10 +124,10 @@ void hna_local_add(struct net_device *soft_iface, uint8_t *addr) bat_priv->hna_local_hash = swaphash; } - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); /* remove address from global hash if present */ - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); hna_global_entry = ((struct hna_global_entry *) hash_find(bat_priv->hna_global_hash, @@ -138,7 +137,7 @@ void hna_local_add(struct net_device *soft_iface, uint8_t *addr) _hna_global_del_orig(bat_priv, hna_global_entry, "local hna received"); - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); } int hna_local_fill_buffer(struct bat_priv *bat_priv, @@ -148,9 +147,8 @@ int hna_local_fill_buffer(struct bat_priv *bat_priv, struct element_t *bucket; HASHIT(hashit); int i = 0; - unsigned long flags; - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); while (hash_iterate(bat_priv->hna_local_hash, &hashit)) { @@ -168,7 +166,7 @@ int hna_local_fill_buffer(struct bat_priv *bat_priv, if (i == bat_priv->num_local_hna) atomic_set(&bat_priv->hna_local_changed, 0); - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); return i; } @@ -180,7 +178,6 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset) HASHIT(hashit); HASHIT(hashit_count); struct element_t *bucket; - unsigned long flags; size_t buf_size, pos; char *buff; @@ -194,7 +191,7 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset) "announced via HNA:\n", net_dev->name); - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); buf_size = 1; /* Estimate length for: " * xx:xx:xx:xx:xx:xx\n" */ @@ -203,7 +200,7 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset) buff = kmalloc(buf_size, GFP_ATOMIC); if (!buff) { - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); return -ENOMEM; } buff[0] = '\0'; @@ -217,7 +214,7 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset) hna_local_entry->addr); } - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); seq_printf(seq, "%s", buff); kfree(buff); @@ -249,9 +246,8 @@ void hna_local_remove(struct bat_priv *bat_priv, uint8_t *addr, char *message) { struct hna_local_entry *hna_local_entry; - unsigned long flags; - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); hna_local_entry = (struct hna_local_entry *) hash_find(bat_priv->hna_local_hash, compare_orig, choose_orig, @@ -259,7 +255,7 @@ void hna_local_remove(struct bat_priv *bat_priv, if (hna_local_entry) hna_local_del(bat_priv, hna_local_entry, message); - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); } static void hna_local_purge(struct work_struct *work) @@ -271,10 +267,9 @@ static void hna_local_purge(struct work_struct *work) struct hna_local_entry *hna_local_entry; HASHIT(hashit); struct element_t *bucket; - unsigned long flags; unsigned long timeout; - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); while (hash_iterate(bat_priv->hna_local_hash, &hashit)) { bucket = hlist_entry(hashit.walk, struct element_t, hlist); @@ -288,7 +283,7 @@ static void hna_local_purge(struct work_struct *work) "address timed out"); } - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); hna_local_start_timer(bat_priv); } @@ -323,11 +318,10 @@ void hna_global_add_orig(struct bat_priv *bat_priv, struct hna_local_entry *hna_local_entry; struct hashtable_t *swaphash; int hna_buff_count = 0; - unsigned long flags; unsigned char *hna_ptr; while ((hna_buff_count + 1) * ETH_ALEN <= hna_buff_len) { - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); hna_ptr = hna_buff + (hna_buff_count * ETH_ALEN); hna_global_entry = (struct hna_global_entry *) @@ -335,8 +329,7 @@ void hna_global_add_orig(struct bat_priv *bat_priv, choose_orig, hna_ptr); if (!hna_global_entry) { - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, - flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); hna_global_entry = kmalloc(sizeof(struct hna_global_entry), @@ -352,17 +345,17 @@ void hna_global_add_orig(struct bat_priv *bat_priv, "%pM (via %pM)\n", hna_global_entry->addr, orig_node->orig); - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); hash_add(bat_priv->hna_global_hash, compare_orig, choose_orig, hna_global_entry); } hna_global_entry->orig_node = orig_node; - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); /* remove address from local hash if present */ - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); hna_ptr = hna_buff + (hna_buff_count * ETH_ALEN); hna_local_entry = (struct hna_local_entry *) @@ -373,7 +366,7 @@ void hna_global_add_orig(struct bat_priv *bat_priv, hna_local_del(bat_priv, hna_local_entry, "global hna received"); - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); hna_buff_count++; } @@ -390,7 +383,7 @@ void hna_global_add_orig(struct bat_priv *bat_priv, } } - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); if (bat_priv->hna_global_hash->elements * 4 > bat_priv->hna_global_hash->size) { @@ -403,7 +396,7 @@ void hna_global_add_orig(struct bat_priv *bat_priv, bat_priv->hna_global_hash = swaphash; } - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); } int hna_global_seq_print_text(struct seq_file *seq, void *offset) @@ -414,7 +407,6 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset) HASHIT(hashit); HASHIT(hashit_count); struct element_t *bucket; - unsigned long flags; size_t buf_size, pos; char *buff; @@ -427,7 +419,7 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset) seq_printf(seq, "Globally announced HNAs received via the mesh %s\n", net_dev->name); - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); buf_size = 1; /* Estimate length for: " * xx:xx:xx:xx:xx:xx via xx:xx:xx:xx:xx:xx\n"*/ @@ -436,7 +428,7 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset) buff = kmalloc(buf_size, GFP_ATOMIC); if (!buff) { - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); return -ENOMEM; } buff[0] = '\0'; @@ -451,7 +443,7 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset) hna_global_entry->orig_node->orig); } - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); seq_printf(seq, "%s", buff); kfree(buff); @@ -477,13 +469,12 @@ void hna_global_del_orig(struct bat_priv *bat_priv, { struct hna_global_entry *hna_global_entry; int hna_buff_count = 0; - unsigned long flags; unsigned char *hna_ptr; if (orig_node->hna_buff_len == 0) return; - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); while ((hna_buff_count + 1) * ETH_ALEN <= orig_node->hna_buff_len) { hna_ptr = orig_node->hna_buff + (hna_buff_count * ETH_ALEN); @@ -499,7 +490,7 @@ void hna_global_del_orig(struct bat_priv *bat_priv, hna_buff_count++; } - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); orig_node->hna_buff_len = 0; kfree(orig_node->hna_buff); @@ -523,13 +514,12 @@ void hna_global_free(struct bat_priv *bat_priv) struct orig_node *transtable_search(struct bat_priv *bat_priv, uint8_t *addr) { struct hna_global_entry *hna_global_entry; - unsigned long flags; - spin_lock_irqsave(&bat_priv->hna_ghash_lock, flags); + spin_lock_bh(&bat_priv->hna_ghash_lock); hna_global_entry = (struct hna_global_entry *) hash_find(bat_priv->hna_global_hash, compare_orig, choose_orig, addr); - spin_unlock_irqrestore(&bat_priv->hna_ghash_lock, flags); + spin_unlock_bh(&bat_priv->hna_ghash_lock); if (!hna_global_entry) return NULL; diff --git a/drivers/staging/batman-adv/unicast.c b/drivers/staging/batman-adv/unicast.c index 1328750..3b62d99 100644 --- a/drivers/staging/batman-adv/unicast.c +++ b/drivers/staging/batman-adv/unicast.c @@ -170,7 +170,6 @@ void frag_list_free(struct list_head *head) int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, struct sk_buff **new_skb) { - unsigned long flags; struct orig_node *orig_node; struct frag_packet_list_entry *tmp_frag_entry; int ret = NET_RX_DROP; @@ -178,7 +177,7 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, (struct unicast_frag_packet *)skb->data; *new_skb = NULL; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); orig_node = ((struct orig_node *) hash_find(bat_priv->orig_hash, compare_orig, choose_orig, unicast_packet->orig)); @@ -211,7 +210,7 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, if (*new_skb) ret = NET_RX_SUCCESS; out: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return ret; } @@ -279,9 +278,8 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) struct neigh_node *router; int data_len = skb->len; uint8_t dstaddr[6]; - unsigned long flags; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); /* get routing information */ orig_node = ((struct orig_node *)hash_find(bat_priv->orig_hash, @@ -304,7 +302,7 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) batman_if = router->if_incoming; memcpy(dstaddr, router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); if (batman_if->if_status != IF_ACTIVE) goto dropped; @@ -334,7 +332,7 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) return 0; unlock: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); dropped: kfree_skb(skb); return 1; diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c index e2031c9..65676dc 100644 --- a/drivers/staging/batman-adv/vis.c +++ b/drivers/staging/batman-adv/vis.c @@ -54,16 +54,15 @@ static void free_info(struct kref *ref) struct vis_info *info = container_of(ref, struct vis_info, refcount); struct bat_priv *bat_priv = info->bat_priv; struct recvlist_node *entry, *tmp; - unsigned long flags; list_del_init(&info->send_list); - spin_lock_irqsave(&bat_priv->vis_list_lock, flags); + spin_lock_bh(&bat_priv->vis_list_lock); list_for_each_entry_safe(entry, tmp, &info->recv_list, list) { list_del(&entry->list); kfree(entry); } - spin_unlock_irqrestore(&bat_priv->vis_list_lock, flags); + spin_unlock_bh(&bat_priv->vis_list_lock); kfree_skb(info->skb_packet); } @@ -187,7 +186,6 @@ int vis_seq_print_text(struct seq_file *seq, void *offset) struct if_list_entry *entry; struct hlist_node *pos, *n; int i; - unsigned long flags; int vis_server = atomic_read(&bat_priv->vis_mode); size_t buff_pos, buf_size; char *buff; @@ -198,7 +196,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset) buf_size = 1; /* Estimate length */ - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); while (hash_iterate(bat_priv->vis_hash, &hashit_count)) { bucket = hlist_entry(hashit_count.walk, struct element_t, hlist); @@ -233,7 +231,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset) buff = kmalloc(buf_size, GFP_ATOMIC); if (!buff) { - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); return -ENOMEM; } buff[0] = '\0'; @@ -278,7 +276,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset) } } - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); seq_printf(seq, "%s", buff); kfree(buff); @@ -311,16 +309,15 @@ static void recv_list_add(struct bat_priv *bat_priv, struct list_head *recv_list, char *mac) { struct recvlist_node *entry; - unsigned long flags; entry = kmalloc(sizeof(struct recvlist_node), GFP_ATOMIC); if (!entry) return; memcpy(entry->mac, mac, ETH_ALEN); - spin_lock_irqsave(&bat_priv->vis_list_lock, flags); + spin_lock_bh(&bat_priv->vis_list_lock); list_add_tail(&entry->list, recv_list); - spin_unlock_irqrestore(&bat_priv->vis_list_lock, flags); + spin_unlock_bh(&bat_priv->vis_list_lock); } /* returns 1 if this mac is in the recv_list */ @@ -328,17 +325,15 @@ static int recv_list_is_in(struct bat_priv *bat_priv, struct list_head *recv_list, char *mac) { struct recvlist_node *entry; - unsigned long flags; - spin_lock_irqsave(&bat_priv->vis_list_lock, flags); + spin_lock_bh(&bat_priv->vis_list_lock); list_for_each_entry(entry, recv_list, list) { if (memcmp(entry->mac, mac, ETH_ALEN) == 0) { - spin_unlock_irqrestore(&bat_priv->vis_list_lock, - flags); + spin_unlock_bh(&bat_priv->vis_list_lock); return 1; } } - spin_unlock_irqrestore(&bat_priv->vis_list_lock, flags); + spin_unlock_bh(&bat_priv->vis_list_lock); return 0; } @@ -447,12 +442,11 @@ void receive_server_sync_packet(struct bat_priv *bat_priv, { struct vis_info *info; int is_new, make_broadcast; - unsigned long flags; int vis_server = atomic_read(&bat_priv->vis_mode); make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC); - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); info = add_packet(bat_priv, vis_packet, vis_info_len, &is_new, make_broadcast); if (!info) @@ -463,7 +457,7 @@ void receive_server_sync_packet(struct bat_priv *bat_priv, if (vis_server == VIS_TYPE_SERVER_SYNC && is_new) send_list_add(bat_priv, info); end: - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); } /* handle an incoming client update packet and schedule forward if needed. */ @@ -474,7 +468,6 @@ void receive_client_update_packet(struct bat_priv *bat_priv, struct vis_info *info; struct vis_packet *packet; int is_new; - unsigned long flags; int vis_server = atomic_read(&bat_priv->vis_mode); int are_target = 0; @@ -487,7 +480,7 @@ void receive_client_update_packet(struct bat_priv *bat_priv, is_my_mac(vis_packet->target_orig)) are_target = 1; - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); info = add_packet(bat_priv, vis_packet, vis_info_len, &is_new, are_target); @@ -508,7 +501,7 @@ void receive_client_update_packet(struct bat_priv *bat_priv, } end: - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); } /* Walk the originators and find the VIS server with the best tq. Set the packet @@ -564,12 +557,11 @@ static int generate_vis_packet(struct bat_priv *bat_priv) struct vis_info_entry *entry; struct hna_local_entry *hna_local_entry; int best_tq = -1; - unsigned long flags; info->first_seen = jiffies; packet->vis_type = atomic_read(&bat_priv->vis_mode); - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); memcpy(packet->target_orig, broadcast_addr, ETH_ALEN); packet->ttl = TTL; packet->seqno = htonl(ntohl(packet->seqno) + 1); @@ -580,8 +572,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv) best_tq = find_best_vis_server(bat_priv, info); if (best_tq < 0) { - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, - flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return -1; } } @@ -614,15 +605,14 @@ static int generate_vis_packet(struct bat_priv *bat_priv) packet->entries++; if (vis_packet_full(info)) { - spin_unlock_irqrestore( - &bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); return 0; } } - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); - spin_lock_irqsave(&bat_priv->hna_lhash_lock, flags); + spin_lock_bh(&bat_priv->hna_lhash_lock); while (hash_iterate(bat_priv->hna_local_hash, &hashit_local)) { bucket = hlist_entry(hashit_local.walk, struct element_t, hlist); @@ -635,13 +625,12 @@ static int generate_vis_packet(struct bat_priv *bat_priv) packet->entries++; if (vis_packet_full(info)) { - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, - flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); return 0; } } - spin_unlock_irqrestore(&bat_priv->hna_lhash_lock, flags); + spin_unlock_bh(&bat_priv->hna_lhash_lock); return 0; } @@ -678,12 +667,11 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv, struct orig_node *orig_node; struct vis_packet *packet; struct sk_buff *skb; - unsigned long flags; struct batman_if *batman_if; uint8_t dstaddr[ETH_ALEN]; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); packet = (struct vis_packet *)info->skb_packet->data; /* send to all routers in range. */ @@ -705,17 +693,17 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv, memcpy(packet->target_orig, orig_node->orig, ETH_ALEN); batman_if = orig_node->router->if_incoming; memcpy(dstaddr, orig_node->router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); skb = skb_clone(info->skb_packet, GFP_ATOMIC); if (skb) send_skb_packet(skb, batman_if, dstaddr); - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); } - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); } static void unicast_vis_packet(struct bat_priv *bat_priv, @@ -724,11 +712,10 @@ static void unicast_vis_packet(struct bat_priv *bat_priv, struct orig_node *orig_node; struct sk_buff *skb; struct vis_packet *packet; - unsigned long flags; struct batman_if *batman_if; uint8_t dstaddr[ETH_ALEN]; - spin_lock_irqsave(&bat_priv->orig_hash_lock, flags); + spin_lock_bh(&bat_priv->orig_hash_lock); packet = (struct vis_packet *)info->skb_packet->data; orig_node = ((struct orig_node *)hash_find(bat_priv->orig_hash, compare_orig, choose_orig, @@ -741,7 +728,7 @@ static void unicast_vis_packet(struct bat_priv *bat_priv, * copy the required data before sending */ batman_if = orig_node->router->if_incoming; memcpy(dstaddr, orig_node->router->addr, ETH_ALEN); - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); skb = skb_clone(info->skb_packet, GFP_ATOMIC); if (skb) @@ -750,7 +737,7 @@ static void unicast_vis_packet(struct bat_priv *bat_priv, return; out: - spin_unlock_irqrestore(&bat_priv->orig_hash_lock, flags); + spin_unlock_bh(&bat_priv->orig_hash_lock); } /* only send one vis packet. called from send_vis_packets() */ @@ -783,9 +770,8 @@ static void send_vis_packets(struct work_struct *work) struct bat_priv *bat_priv = container_of(delayed_work, struct bat_priv, vis_work); struct vis_info *info, *temp; - unsigned long flags; - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); purge_vis_packets(bat_priv); if (generate_vis_packet(bat_priv) == 0) { @@ -797,16 +783,16 @@ static void send_vis_packets(struct work_struct *work) send_list) { kref_get(&info->refcount); - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); if (bat_priv->primary_if) send_vis_packet(bat_priv, info); - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); send_list_del(info); kref_put(&info->refcount, free_info); } - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); start_vis_timer(bat_priv); } @@ -815,13 +801,12 @@ static void send_vis_packets(struct work_struct *work) int vis_init(struct bat_priv *bat_priv) { struct vis_packet *packet; - unsigned long flags; int hash_added; if (bat_priv->vis_hash) return 1; - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); bat_priv->vis_hash = hash_new(256); if (!bat_priv->vis_hash) { @@ -871,7 +856,7 @@ int vis_init(struct bat_priv *bat_priv) goto err; } - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); start_vis_timer(bat_priv); return 1; @@ -879,7 +864,7 @@ free_info: kfree(bat_priv->my_vis_info); bat_priv->my_vis_info = NULL; err: - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); vis_quit(bat_priv); return 0; } @@ -896,18 +881,17 @@ static void free_info_ref(void *data, void *arg) /* shutdown vis-server */ void vis_quit(struct bat_priv *bat_priv) { - unsigned long flags; if (!bat_priv->vis_hash) return; cancel_delayed_work_sync(&bat_priv->vis_work); - spin_lock_irqsave(&bat_priv->vis_hash_lock, flags); + spin_lock_bh(&bat_priv->vis_hash_lock); /* properly remove, kill timers ... */ hash_delete(bat_priv->vis_hash, free_info_ref, NULL); bat_priv->vis_hash = NULL; bat_priv->my_vis_info = NULL; - spin_unlock_irqrestore(&bat_priv->vis_hash_lock, flags); + spin_unlock_bh(&bat_priv->vis_hash_lock); } /* schedule packets for (re)transmission */ |