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| author | Hannes Frederic Sowa <hannes@stressinduktion.org> | 2016-04-08 15:11:27 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-04-13 22:37:20 -0400 |
| commit | fafc4e1ea1a4c1eb13a30c9426fb799f5efacbc3 (patch) | |
| tree | 643293e7032e9c3534e4de33d2a6820e75886f7d /fs/cifs | |
| parent | 18b46810eb61f1d1a66c5511d12e84ea8cb7f35c (diff) | |
| download | op-kernel-dev-fafc4e1ea1a4c1eb13a30c9426fb799f5efacbc3.zip op-kernel-dev-fafc4e1ea1a4c1eb13a30c9426fb799f5efacbc3.tar.gz | |
sock: tigthen lockdep checks for sock_owned_by_user
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>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/connect.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 6f62ac8..2e2e0a6 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2918,7 +2918,7 @@ static inline void cifs_reclassify_socket4(struct socket *sock) { struct sock *sk = sock->sk; - BUG_ON(sock_owned_by_user(sk)); + BUG_ON(!sock_allow_reclassification(sk)); sock_lock_init_class_and_name(sk, "slock-AF_INET-CIFS", &cifs_slock_key[0], "sk_lock-AF_INET-CIFS", &cifs_key[0]); } @@ -2927,7 +2927,7 @@ static inline void cifs_reclassify_socket6(struct socket *sock) { struct sock *sk = sock->sk; - BUG_ON(sock_owned_by_user(sk)); + BUG_ON(!sock_allow_reclassification(sk)); sock_lock_init_class_and_name(sk, "slock-AF_INET6-CIFS", &cifs_slock_key[1], "sk_lock-AF_INET6-CIFS", &cifs_key[1]); } |
