diff options
| -rw-r--r-- | net/phonet/af_phonet.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c index 7ab30f6..9d211f1 100644 --- a/net/phonet/af_phonet.c +++ b/net/phonet/af_phonet.c @@ -33,9 +33,30 @@ #include <net/phonet/phonet.h> #include <net/phonet/pn_dev.h> -static struct net_proto_family phonet_proto_family; -static struct phonet_protocol *phonet_proto_get(int protocol); -static inline void phonet_proto_put(struct phonet_protocol *pp); +/* Transport protocol registration */ +static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly; +static DEFINE_SPINLOCK(proto_tab_lock); + +static struct phonet_protocol *phonet_proto_get(int protocol) +{ + struct phonet_protocol *pp; + + if (protocol >= PHONET_NPROTO) + return NULL; + + spin_lock(&proto_tab_lock); + pp = proto_tab[protocol]; + if (pp && !try_module_get(pp->prot->owner)) + pp = NULL; + spin_unlock(&proto_tab_lock); + + return pp; +} + +static inline void phonet_proto_put(struct phonet_protocol *pp) +{ + module_put(pp->prot->owner); +} /* protocol family functions */ @@ -375,10 +396,6 @@ static struct packet_type phonet_packet_type = { .func = phonet_rcv, }; -/* Transport protocol registration */ -static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly; -static DEFINE_SPINLOCK(proto_tab_lock); - int __init_or_module phonet_proto_register(int protocol, struct phonet_protocol *pp) { @@ -412,27 +429,6 @@ void phonet_proto_unregister(int protocol, struct phonet_protocol *pp) } EXPORT_SYMBOL(phonet_proto_unregister); -static struct phonet_protocol *phonet_proto_get(int protocol) -{ - struct phonet_protocol *pp; - - if (protocol >= PHONET_NPROTO) - return NULL; - - spin_lock(&proto_tab_lock); - pp = proto_tab[protocol]; - if (pp && !try_module_get(pp->prot->owner)) - pp = NULL; - spin_unlock(&proto_tab_lock); - - return pp; -} - -static inline void phonet_proto_put(struct phonet_protocol *pp) -{ - module_put(pp->prot->owner); -} - /* Module registration */ static int __init phonet_init(void) { |