3.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alan Cox <a...@linux.intel.com>
[ Upstream commit 6cf5c951175abcec4da470c50565cc0afe6cd11d ]
Check for an error from this and if so bail properly.
Signed-off-by: Alan Cox <a...@linux.intel.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
net/netrom/af_netrom.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 732152f..f156382 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1170,7 +1170,12 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket
*sock,
msg->msg_flags |= MSG_TRUNC;
}
- skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+ er = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+ if (er < 0) {
+ skb_free_datagram(sk, skb);
+ release_sock(sk);
+ return er;
+ }
if (sax != NULL) {
sax->sax25_family = AF_NETROM;
--
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