diff options
Diffstat (limited to 'net/phonet/af_phonet.c')
-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 7ab30f668b5a..9d211f12582b 100644 --- a/net/phonet/af_phonet.c +++ b/net/phonet/af_phonet.c | |||
@@ -33,9 +33,30 @@ | |||
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 inline void phonet_proto_put(struct phonet_protocol *pp); | 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 | } | ||
55 | |||
56 | static inline void phonet_proto_put(struct phonet_protocol *pp) | ||
57 | { | ||
58 | module_put(pp->prot->owner); | ||
59 | } | ||
39 | 60 | ||
40 | /* protocol family functions */ | 61 | /* protocol family functions */ |
41 | 62 | ||
@@ -375,10 +396,6 @@ static struct packet_type phonet_packet_type = { | |||
375 | .func = phonet_rcv, | 396 | .func = phonet_rcv, |
376 | }; | 397 | }; |
377 | 398 | ||
378 | /* Transport protocol registration */ | ||
379 | static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly; | ||
380 | static DEFINE_SPINLOCK(proto_tab_lock); | ||
381 | |||
382 | int __init_or_module phonet_proto_register(int protocol, | 399 | int __init_or_module phonet_proto_register(int protocol, |
383 | struct phonet_protocol *pp) | 400 | struct phonet_protocol *pp) |
384 | { | 401 | { |
@@ -412,27 +429,6 @@ void phonet_proto_unregister(int protocol, struct phonet_protocol *pp) | |||
412 | } | 429 | } |
413 | EXPORT_SYMBOL(phonet_proto_unregister); | 430 | EXPORT_SYMBOL(phonet_proto_unregister); |
414 | 431 | ||
415 | static struct phonet_protocol *phonet_proto_get(int protocol) | ||
416 | { | ||
417 | struct phonet_protocol *pp; | ||
418 | |||
419 | if (protocol >= PHONET_NPROTO) | ||
420 | return NULL; | ||
421 | |||
422 | spin_lock(&proto_tab_lock); | ||
423 | pp = proto_tab[protocol]; | ||
424 | if (pp && !try_module_get(pp->prot->owner)) | ||
425 | pp = NULL; | ||
426 | spin_unlock(&proto_tab_lock); | ||
427 | |||
428 | return pp; | ||
429 | } | ||
430 | |||
431 | static inline void phonet_proto_put(struct phonet_protocol *pp) | ||
432 | { | ||
433 | module_put(pp->prot->owner); | ||
434 | } | ||
435 | |||
436 | /* Module registration */ | 432 | /* Module registration */ |
437 | static int __init phonet_init(void) | 433 | static int __init phonet_init(void) |
438 | { | 434 | { |