diff options
Diffstat (limited to 'net/phonet/af_phonet.c')
-rw-r--r-- | net/phonet/af_phonet.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c index 62af1d8a8dd2..9d211f12582b 100644 --- a/net/phonet/af_phonet.c +++ b/net/phonet/af_phonet.c | |||
@@ -33,8 +33,25 @@ | |||
33 | #include <net/phonet/phonet.h> | 33 | #include <net/phonet/phonet.h> |
34 | #include <net/phonet/pn_dev.h> | 34 | #include <net/phonet/pn_dev.h> |
35 | 35 | ||
36 | static struct net_proto_family phonet_proto_family; | 36 | /* Transport protocol registration */ |
37 | static struct phonet_protocol *phonet_proto_get(int protocol); | 37 | static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly; |
38 | static DEFINE_SPINLOCK(proto_tab_lock); | ||
39 | |||
40 | static struct phonet_protocol *phonet_proto_get(int protocol) | ||
41 | { | ||
42 | struct phonet_protocol *pp; | ||
43 | |||
44 | if (protocol >= PHONET_NPROTO) | ||
45 | return NULL; | ||
46 | |||
47 | spin_lock(&proto_tab_lock); | ||
48 | pp = proto_tab[protocol]; | ||
49 | if (pp && !try_module_get(pp->prot->owner)) | ||
50 | pp = NULL; | ||
51 | spin_unlock(&proto_tab_lock); | ||
52 | |||
53 | return pp; | ||
54 | } | ||
38 | 55 | ||
39 | static inline void phonet_proto_put(struct phonet_protocol *pp) | 56 | static inline void phonet_proto_put(struct phonet_protocol *pp) |
40 | { | 57 | { |
@@ -379,10 +396,6 @@ static struct packet_type phonet_packet_type = { | |||
379 | .func = phonet_rcv, | 396 | .func = phonet_rcv, |
380 | }; | 397 | }; |
381 | 398 | ||
382 | /* Transport protocol registration */ | ||
383 | static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly; | ||
384 | static DEFINE_SPINLOCK(proto_tab_lock); | ||
385 | |||
386 | int __init_or_module phonet_proto_register(int protocol, | 399 | int __init_or_module phonet_proto_register(int protocol, |
387 | struct phonet_protocol *pp) | 400 | struct phonet_protocol *pp) |
388 | { | 401 | { |
@@ -416,22 +429,6 @@ void phonet_proto_unregister(int protocol, struct phonet_protocol *pp) | |||
416 | } | 429 | } |
417 | EXPORT_SYMBOL(phonet_proto_unregister); | 430 | EXPORT_SYMBOL(phonet_proto_unregister); |
418 | 431 | ||
419 | static struct phonet_protocol *phonet_proto_get(int protocol) | ||
420 | { | ||
421 | struct phonet_protocol *pp; | ||
422 | |||
423 | if (protocol >= PHONET_NPROTO) | ||
424 | return NULL; | ||
425 | |||
426 | spin_lock(&proto_tab_lock); | ||
427 | pp = proto_tab[protocol]; | ||
428 | if (pp && !try_module_get(pp->prot->owner)) | ||
429 | pp = NULL; | ||
430 | spin_unlock(&proto_tab_lock); | ||
431 | |||
432 | return pp; | ||
433 | } | ||
434 | |||
435 | /* Module registration */ | 432 | /* Module registration */ |
436 | static int __init phonet_init(void) | 433 | static int __init phonet_init(void) |
437 | { | 434 | { |