Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 3.10 10/55] caif: fix MSG_OOB test in caif_seqpkt_recvmsg() | Date | Tue, 24 Mar 2015 16:42:50 +0100 |
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3.10-stable review patch. If anyone has any objections, please let me know.
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From: Al Viro <viro@ZenIV.linux.org.uk>
[ 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 <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/caif/caif_socket.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -283,7 +283,7 @@ static int caif_seqpkt_recvmsg(struct ki 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);
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