diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/rtnetlink.c | 6 | ||||
-rw-r--r-- | net/ipv4/fib_hash.c | 17 | ||||
-rw-r--r-- | net/ipv4/fib_trie.c | 18 | ||||
-rw-r--r-- | net/ipv4/route.c | 11 | ||||
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 36 | ||||
-rw-r--r-- | net/ipv4/udp.c | 15 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 28 | ||||
-rw-r--r-- | net/mac80211/rx.c | 2 | ||||
-rw-r--r-- | net/mac80211/wme.c | 2 | ||||
-rw-r--r-- | net/sctp/objcnt.c | 9 | ||||
-rw-r--r-- | net/unix/af_unix.c | 6 |
11 files changed, 94 insertions, 56 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index bc39e41..cf857c4 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -82,6 +82,11 @@ int rtnl_trylock(void) return mutex_trylock(&rtnl_mutex); } +int rtnl_is_locked(void) +{ + return mutex_is_locked(&rtnl_mutex); +} + static struct rtnl_link *rtnl_msg_handlers[NPROTO]; static inline int rtm_msgindex(int msgtype) @@ -1402,6 +1407,7 @@ EXPORT_SYMBOL(rtnetlink_put_metrics); EXPORT_SYMBOL(rtnl_lock); EXPORT_SYMBOL(rtnl_trylock); EXPORT_SYMBOL(rtnl_unlock); +EXPORT_SYMBOL(rtnl_is_locked); EXPORT_SYMBOL(rtnl_unicast); EXPORT_SYMBOL(rtnl_notify); EXPORT_SYMBOL(rtnl_set_sk_err); diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c index 02088de..2e2fc33 100644 --- a/net/ipv4/fib_hash.c +++ b/net/ipv4/fib_hash.c @@ -1003,7 +1003,7 @@ static unsigned fib_flag_trans(int type, __be32 mask, struct fib_info *fi) static int fib_seq_show(struct seq_file *seq, void *v) { struct fib_iter_state *iter; - char bf[128]; + int len; __be32 prefix, mask; unsigned flags; struct fib_node *f; @@ -1025,18 +1025,19 @@ static int fib_seq_show(struct seq_file *seq, void *v) mask = FZ_MASK(iter->zone); flags = fib_flag_trans(fa->fa_type, mask, fi); if (fi) - snprintf(bf, sizeof(bf), - "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u", + seq_printf(seq, + "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u%n", fi->fib_dev ? fi->fib_dev->name : "*", prefix, fi->fib_nh->nh_gw, flags, 0, 0, fi->fib_priority, mask, (fi->fib_advmss ? fi->fib_advmss + 40 : 0), fi->fib_window, - fi->fib_rtt >> 3); + fi->fib_rtt >> 3, &len); else - snprintf(bf, sizeof(bf), - "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u", - prefix, 0, flags, 0, 0, 0, mask, 0, 0, 0); - seq_printf(seq, "%-127s\n", bf); + seq_printf(seq, + "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u%n", + prefix, 0, flags, 0, 0, 0, mask, 0, 0, 0, &len); + + seq_printf(seq, "%*s\n", 127 - len, ""); out: return 0; } diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index ea294ff..4b02d14 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2602,15 +2602,16 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) list_for_each_entry_rcu(fa, &li->falh, fa_list) { const struct fib_info *fi = fa->fa_info; unsigned flags = fib_flag_trans(fa->fa_type, mask, fi); - char bf[128]; + int len; if (fa->fa_type == RTN_BROADCAST || fa->fa_type == RTN_MULTICAST) continue; if (fi) - snprintf(bf, sizeof(bf), - "%s\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u", + seq_printf(seq, + "%s\t%08X\t%08X\t%04X\t%d\t%u\t" + "%d\t%08X\t%d\t%u\t%u%n", fi->fib_dev ? fi->fib_dev->name : "*", prefix, fi->fib_nh->nh_gw, flags, 0, 0, @@ -2619,14 +2620,15 @@ static int fib_route_seq_show(struct seq_file *seq, void *v) (fi->fib_advmss ? fi->fib_advmss + 40 : 0), fi->fib_window, - fi->fib_rtt >> 3); + fi->fib_rtt >> 3, &len); else - snprintf(bf, sizeof(bf), - "*\t%08X\t%08X\t%04X\t%d\t%u\t%d\t%08X\t%d\t%u\t%u", + seq_printf(seq, + "*\t%08X\t%08X\t%04X\t%d\t%u\t" + "%d\t%08X\t%d\t%u\t%u%n", prefix, 0, flags, 0, 0, 0, - mask, 0, 0, 0); + mask, 0, 0, 0, &len); - seq_printf(seq, "%-127s\n", bf); + seq_printf(seq, "%*s\n", 127 - len, ""); } } diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 780e948..ce25a13 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -367,10 +367,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) "HHUptod\tSpecDst"); else { struct rtable *r = v; - char temp[256]; + int len; - sprintf(temp, "%s\t%08lX\t%08lX\t%8X\t%d\t%u\t%d\t" - "%08lX\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X", + seq_printf(seq, "%s\t%08lX\t%08lX\t%8X\t%d\t%u\t%d\t" + "%08lX\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n", r->u.dst.dev ? r->u.dst.dev->name : "*", (unsigned long)r->rt_dst, (unsigned long)r->rt_gateway, r->rt_flags, atomic_read(&r->u.dst.__refcnt), @@ -384,8 +384,9 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) r->u.dst.hh ? atomic_read(&r->u.dst.hh->hh_refcnt) : -1, r->u.dst.hh ? (r->u.dst.hh->hh_output == dev_queue_xmit) : 0, - r->rt_spec_dst); - seq_printf(seq, "%-127s\n", temp); + r->rt_spec_dst, &len); + + seq_printf(seq, "%*s\n", 127 - len, ""); } return 0; } diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 7766151..0e9bc12 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2255,13 +2255,13 @@ void tcp_proc_unregister(struct net *net, struct tcp_seq_afinfo *afinfo) } static void get_openreq4(struct sock *sk, struct request_sock *req, - char *tmpbuf, int i, int uid) + struct seq_file *f, int i, int uid, int *len) { const struct inet_request_sock *ireq = inet_rsk(req); int ttd = req->expires - jiffies; - sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p", + seq_printf(f, "%4d: %08X:%04X %08X:%04X" + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %u %d %p%n", i, ireq->loc_addr, ntohs(inet_sk(sk)->sport), @@ -2276,10 +2276,11 @@ static void get_openreq4(struct sock *sk, struct request_sock *req, 0, /* non standard timer */ 0, /* open_requests have no inode */ atomic_read(&sk->sk_refcnt), - req); + req, + len); } -static void get_tcp4_sock(struct sock *sk, char *tmpbuf, int i) +static void get_tcp4_sock(struct sock *sk, struct seq_file *f, int i, int *len) { int timer_active; unsigned long timer_expires; @@ -2305,8 +2306,8 @@ static void get_tcp4_sock(struct sock *sk, char *tmpbuf, int i) timer_expires = jiffies; } - sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX " - "%08X %5d %8d %lu %d %p %u %u %u %u %d", + seq_printf(f, "%4d: %08X:%04X %08X:%04X %02X %08X:%08X %02X:%08lX " + "%08X %5d %8d %lu %d %p %u %u %u %u %d%n", i, src, srcp, dest, destp, sk->sk_state, tp->write_seq - tp->snd_una, sk->sk_state == TCP_LISTEN ? sk->sk_ack_backlog : @@ -2322,11 +2323,12 @@ static void get_tcp4_sock(struct sock *sk, char *tmpbuf, int i) icsk->icsk_ack.ato, (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong, tp->snd_cwnd, - tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh); + tp->snd_ssthresh >= 0xFFFF ? -1 : tp->snd_ssthresh, + len); } static void get_timewait4_sock(struct inet_timewait_sock *tw, - char *tmpbuf, int i) + struct seq_file *f, int i, int *len) { __be32 dest, src; __u16 destp, srcp; @@ -2340,11 +2342,11 @@ static void get_timewait4_sock(struct inet_timewait_sock *tw, destp = ntohs(tw->tw_dport); srcp = ntohs(tw->tw_sport); - sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p", + seq_printf(f, "%4d: %08X:%04X %08X:%04X" + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p%n", i, src, srcp, dest, destp, tw->tw_substate, 0, 0, 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0, - atomic_read(&tw->tw_refcnt), tw); + atomic_read(&tw->tw_refcnt), tw, len); } #define TMPSZ 150 @@ -2352,7 +2354,7 @@ static void get_timewait4_sock(struct inet_timewait_sock *tw, static int tcp4_seq_show(struct seq_file *seq, void *v) { struct tcp_iter_state* st; - char tmpbuf[TMPSZ + 1]; + int len; if (v == SEQ_START_TOKEN) { seq_printf(seq, "%-*s\n", TMPSZ - 1, @@ -2366,16 +2368,16 @@ static int tcp4_seq_show(struct seq_file *seq, void *v) switch (st->state) { case TCP_SEQ_STATE_LISTENING: case TCP_SEQ_STATE_ESTABLISHED: - get_tcp4_sock(v, tmpbuf, st->num); + get_tcp4_sock(v, seq, st->num, &len); break; case TCP_SEQ_STATE_OPENREQ: - get_openreq4(st->syn_wait_sk, v, tmpbuf, st->num, st->uid); + get_openreq4(st->syn_wait_sk, v, seq, st->num, st->uid, &len); break; case TCP_SEQ_STATE_TIME_WAIT: - get_timewait4_sock(v, tmpbuf, st->num); + get_timewait4_sock(v, seq, st->num, &len); break; } - seq_printf(seq, "%-*s\n", TMPSZ - 1, tmpbuf); + seq_printf(seq, "%*s\n", TMPSZ - 1 - len, ""); out: return 0; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index b053ac7..1f535e31 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1619,7 +1619,8 @@ void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo) } /* ------------------------------------------------------------------------ */ -static void udp4_format_sock(struct sock *sp, char *tmpbuf, int bucket) +static void udp4_format_sock(struct sock *sp, struct seq_file *f, + int bucket, int *len) { struct inet_sock *inet = inet_sk(sp); __be32 dest = inet->daddr; @@ -1627,13 +1628,13 @@ static void udp4_format_sock(struct sock *sp, char *tmpbuf, int bucket) __u16 destp = ntohs(inet->dport); __u16 srcp = ntohs(inet->sport); - sprintf(tmpbuf, "%4d: %08X:%04X %08X:%04X" - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p", + seq_printf(f, "%4d: %08X:%04X %08X:%04X" + " %02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p%n", bucket, src, srcp, dest, destp, sp->sk_state, atomic_read(&sp->sk_wmem_alloc), atomic_read(&sp->sk_rmem_alloc), 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp); + atomic_read(&sp->sk_refcnt), sp, len); } int udp4_seq_show(struct seq_file *seq, void *v) @@ -1644,11 +1645,11 @@ int udp4_seq_show(struct seq_file *seq, void *v) "rx_queue tr tm->when retrnsmt uid timeout " "inode"); else { - char tmpbuf[129]; struct udp_iter_state *state = seq->private; + int len; - udp4_format_sock(v, tmpbuf, state->bucket); - seq_printf(seq, "%-127s\n", tmpbuf); + udp4_format_sock(v, seq, state->bucket, &len); + seq_printf(seq, "%*s\n", 127 - len ,""); } return 0; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 6b75cb6..a5e5c31 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2248,10 +2248,13 @@ static void ieee80211_rx_bss_put(struct net_device *dev, struct ieee80211_sta_bss *bss) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - if (!atomic_dec_and_test(&bss->users)) + + local_bh_disable(); + if (!atomic_dec_and_lock(&bss->users, &local->sta_bss_lock)) { + local_bh_enable(); return; + } - spin_lock_bh(&local->sta_bss_lock); __ieee80211_rx_bss_hash_del(dev, bss); list_del(&bss->list); spin_unlock_bh(&local->sta_bss_lock); @@ -2709,7 +2712,26 @@ static void ieee80211_rx_bss_info(struct net_device *dev, bss->wmm_ie_len = elems.wmm_param_len + 2; } else bss->wmm_ie_len = 0; - } else if (!elems.wmm_param && bss->wmm_ie) { + } else if (elems.wmm_info && + (!bss->wmm_ie || bss->wmm_ie_len != elems.wmm_info_len || + memcmp(bss->wmm_ie, elems.wmm_info, elems.wmm_info_len))) { + /* As for certain AP's Fifth bit is not set in WMM IE in + * beacon frames.So while parsing the beacon frame the + * wmm_info structure is used instead of wmm_param. + * wmm_info structure was never used to set bss->wmm_ie. + * This code fixes this problem by copying the WME + * information from wmm_info to bss->wmm_ie and enabling + * n-band association. + */ + kfree(bss->wmm_ie); + bss->wmm_ie = kmalloc(elems.wmm_info_len + 2, GFP_ATOMIC); + if (bss->wmm_ie) { + memcpy(bss->wmm_ie, elems.wmm_info - 2, + elems.wmm_info_len + 2); + bss->wmm_ie_len = elems.wmm_info_len + 2; + } else + bss->wmm_ie_len = 0; + } else if (!elems.wmm_param && !elems.wmm_info && bss->wmm_ie) { kfree(bss->wmm_ie); bss->wmm_ie = NULL; bss->wmm_ie_len = 0; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 52e4554..02f436a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2170,7 +2170,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, struct ieee80211_supported_band *sband; if (status->band < 0 || - status->band > IEEE80211_NUM_BANDS) { + status->band >= IEEE80211_NUM_BANDS) { WARN_ON(1); return; } diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 4e94e40..64faa3d 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -709,7 +709,7 @@ void ieee80211_requeue(struct ieee80211_local *local, int queue) struct ieee80211_sched_data *q = qdisc_priv(root_qd); struct Qdisc *qdisc = q->queues[queue]; struct sk_buff *skb = NULL; - u32 len = qdisc->q.qlen; + u32 len; if (!qdisc || !qdisc->dequeue) return; diff --git a/net/sctp/objcnt.c b/net/sctp/objcnt.c index cfeb07e..f73ec0e 100644 --- a/net/sctp/objcnt.c +++ b/net/sctp/objcnt.c @@ -83,13 +83,12 @@ static sctp_dbg_objcnt_entry_t sctp_dbg_objcnt[] = { */ static int sctp_objcnt_seq_show(struct seq_file *seq, void *v) { - int i; - char temp[128]; + int i, len; i = (int)*(loff_t *)v; - sprintf(temp, "%s: %d", sctp_dbg_objcnt[i].label, - atomic_read(sctp_dbg_objcnt[i].counter)); - seq_printf(seq, "%-127s\n", temp); + seq_printf(seq, "%s: %d%n", sctp_dbg_objcnt[i].label, + atomic_read(sctp_dbg_objcnt[i].counter), &len); + seq_printf(seq, "%*s\n", 127 - len, ""); return 0; } diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 1454afc..e18cd36 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2197,7 +2197,11 @@ static void __exit af_unix_exit(void) unregister_pernet_subsys(&unix_net_ops); } -module_init(af_unix_init); +/* Earlier than device_initcall() so that other drivers invoking + request_module() don't end up in a loop when modprobe tries + to use a UNIX socket. But later than subsys_initcall() because + we depend on stuff initialised there */ +fs_initcall(af_unix_init); module_exit(af_unix_exit); MODULE_LICENSE("GPL"); |