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sock: tigthen lockdep checks for sock_owned_by_user

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sock_owned_by_user should not be used without socket lock held. It seems
to be a common practice to check .owned before lock reclassification, so
provide a little help to abstract this check away.

Cc: linux-cifs@vger.kernel.org
Cc: linux-bluetooth@vger.kernel.org
Cc: linux-nfs@vger.kernel.org
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa
2016-04-08 15:11:27 +02:00
committed by David S. Miller
parent 18b46810eb
commit fafc4e1ea1
6 changed files with 35 additions and 23 deletions
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2
net/llc/llc_proc.c
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@@ -195,7 +195,7 @@ static int llc_seq_core_show(struct seq_file *seq, void *v)
timer_pending(&llc->pf_cycle_timer.timer),
timer_pending(&llc->rej_sent_timer.timer),
timer_pending(&llc->busy_state_timer.timer),
!!sk->sk_backlog.tail, !!sock_owned_by_user(sk));
!!sk->sk_backlog.tail, !!sk->sk_lock.owned);
out:
return 0;
}