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authorIngo Molnar <mingo@elte.hu>2006-07-03 00:25:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 15:27:07 -0700
commitda21f24dd73954c2ed0cd39a698e2c9916c05d71 (patch)
tree22829e3791f0602d284b8f5398526b228faa9501 /include/net/sock.h
parent543655244866b8ec648fea1eb9c32a35ffba5721 (diff)
[PATCH] lockdep: annotate sock_lock_init()
Teach special (multi-initialized, per-address-family) locking code to the lock validator. Has no effect on non-lockdep kernels. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 7b3d6b85694..83805feea88 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -80,8 +80,12 @@ typedef struct {
wait_queue_head_t wq;
} socket_lock_t;
+extern struct lock_class_key af_family_keys[AF_MAX];
+
#define sock_lock_init(__sk) \
do { spin_lock_init(&((__sk)->sk_lock.slock)); \
+ lockdep_set_class(&(__sk)->sk_lock.slock, \
+ af_family_keys + (__sk)->sk_family); \
(__sk)->sk_lock.owner = NULL; \
init_waitqueue_head(&((__sk)->sk_lock.wq)); \
} while(0)