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| author | Ingo Molnar <mingo@elte.hu> | 2006-07-03 00:25:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-03 15:27:08 -0700 |
| commit | c63661848581a9842dfc72d9a400285dd284fc47 (patch) | |
| tree | 83c8372a5289e14237eea64207886508866ee1a4 | |
| parent | a09785a2414afb261d9f719d544742af4300df22 (diff) | |
| download | kernel_samsung_smdk4412-c63661848581a9842dfc72d9a400285dd284fc47.zip kernel_samsung_smdk4412-c63661848581a9842dfc72d9a400285dd284fc47.tar.gz kernel_samsung_smdk4412-c63661848581a9842dfc72d9a400285dd284fc47.tar.bz2 | |
[PATCH] lockdep: annotate bh_lock_sock()
Teach special (recursive) 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>
| -rw-r--r-- | include/net/sock.h | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 83805fe..0969fb6 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -751,6 +751,9 @@ extern void FASTCALL(release_sock(struct sock *sk)); /* BH context may only use the following locking interface. */ #define bh_lock_sock(__sk) spin_lock(&((__sk)->sk_lock.slock)) +#define bh_lock_sock_nested(__sk) \ + spin_lock_nested(&((__sk)->sk_lock.slock), \ + SINGLE_DEPTH_NESTING) #define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock)) extern struct sock *sk_alloc(int family, diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 8237172..5a886e6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1090,7 +1090,7 @@ process: skb->dev = NULL; - bh_lock_sock(sk); + bh_lock_sock_nested(sk); ret = 0; if (!sock_owned_by_user(sk)) { #ifdef CONFIG_NET_DMA |