From: Al Viro <[email protected]>
This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.
===============
[ Upstream commit 3eeff778e00c956875c70b145c52638c313dfb23 ]
It should be checking flags, not msg->msg_flags. It's ->sendmsg()
instances that need to look for that in ->msg_flags, ->recvmsg() ones
(including the other ->recvmsg() instance in that file, as well as
unix_dgram_recvmsg() this one claims to be imitating) check in flags.
Braino had been introduced in commit dcda13 ("caif: Bugfix - use MSG_TRUNC
in receive") back in 2010, so it goes quite a while back.
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
net/caif/caif_socket.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c
index 43f750e..765c781 100644
--- a/net/caif/caif_socket.c
+++ b/net/caif/caif_socket.c
@@ -281,7 +281,7 @@ static int caif_seqpkt_recvmsg(struct kiocb *iocb, struct
socket *sock,
int copylen;
ret = -EOPNOTSUPP;
- if (m->msg_flags&MSG_OOB)
+ if (flags & MSG_OOB)
goto read_error;
skb = skb_recv_datagram(sk, flags, 0 , &ret);
--
2.1.0
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