From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
commit a5de125dd46c851fc962806135953c1bd0a0f0df upstream.
Fix to return a negative error code in enable_mcast() error handling
case, and release udp socket when necessary.
Fixes: d0f91938bede ("tipc: add ip/udp media type")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/tipc/udp_media.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -405,10 +405,13 @@ static int tipc_udp_enable(struct net *n
tuncfg.encap_destroy = NULL;
setup_udp_tunnel_sock(net, ub->ubsock, &tuncfg);
- if (enable_mcast(ub, remote))
+ err = enable_mcast(ub, remote);
+ if (err)
goto err;
return 0;
err:
+ if (ub->ubsock)
+ udp_tunnel_sock_release(ub->ubsock);
kfree(ub);
return err;
}
