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[NET]: Fix race condition in sk_wait_event().

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It is broken, the condition is checked out of socket lock. It is
wonderful the bug survived for so long time.

[ This fixes bugzilla #6233:
  race condition in tcp_sendmsg when connection became established ]

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Kuznetsov 2006-03-17 16:05:43 -08:00 committed by David S. Miller
parent 6f5e6b9e69
commit 265a92856b
1 changed files with 1 additions and 1 deletions
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2
include/net/sock.h
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@ -478,9 +478,9 @@ static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
rc = __condition; \ rc = __condition; \
if (!rc) { \ if (!rc) { \
*(__timeo) = schedule_timeout(*(__timeo)); \ *(__timeo) = schedule_timeout(*(__timeo)); \
rc = __condition; \
} \ } \
lock_sock(__sk); \ lock_sock(__sk); \
rc = __condition; \
rc; \ rc; \
}) })