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authorHannes Frederic Sowa <hannes@stressinduktion.org>2016-04-08 15:11:27 +0200
committerDavid S. Miller <davem@davemloft.net>2016-04-13 22:37:20 -0400
commitfafc4e1ea1a4c1eb13a30c9426fb799f5efacbc3 (patch)
tree643293e7032e9c3534e4de33d2a6820e75886f7d /net/sunrpc/xprtsock.c
parent18b46810eb61f1d1a66c5511d12e84ea8cb7f35c (diff)
downloadlinux-stericsson-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 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index c1fc7b20bbc1..d0756ac5c0f2 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1880,8 +1880,7 @@ static inline void xs_reclassify_socket6(struct socket *sock)
static inline void xs_reclassify_socket(int family, struct socket *sock)
{
- WARN_ON_ONCE(sock_owned_by_user(sock->sk));
- if (sock_owned_by_user(sock->sk))
+ if (WARN_ON_ONCE(!sock_allow_reclassification(sock->sk)))
return;
switch (family) {