3.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Eric Dumazet <eduma...@google.com>
[ Upstream commit cce894bb824429fd312706c7012acae43e725865 ]
spin_is_locked() on a non !SMP build is kind of useless.
BUG_ON(!spin_is_locked(xx)) is guaranteed to crash.
Just remove this check in reqsk_fastopen_remove() as
the callers do hold the socket lock.
Reported-by: Ketan Kulkarni <ketku...@gmail.com>
Signed-off-by: Eric Dumazet <eduma...@google.com>
Cc: Jerry Chu <hk...@google.com>
Cc: Yuchung Cheng <ych...@google.com>
Cc: Dave Taht <dave.t...@gmail.com>
Acked-by: H.K. Jerry Chu <hk...@google.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
net/core/request_sock.c | 2 --
1 file changed, 2 deletions(-)
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -186,8 +186,6 @@ void reqsk_fastopen_remove(struct sock *
struct fastopen_queue *fastopenq =
inet_csk(lsk)->icsk_accept_queue.fastopenq;
- BUG_ON(!spin_is_locked(&sk->sk_lock.slock) && !sock_owned_by_user(sk));
-
tcp_sk(sk)->fastopen_rsk = NULL;
spin_lock_bh(&fastopenq->lock);
fastopenq->qlen--;
--
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