4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tommi Rantala <tommi.t.rantala@xxxxxxxxx>
[ Upstream commit 19142551b2be4a9e13838099fde1351386e5e007 ]
Fix memory leak in tipc_enable_bearer() if enable_media() fails, and
cleanup with bearer_disable() if tipc_mon_create() fails.
Acked-by: Ying Xue <ying.xue@xxxxxxxxxxxxx>
Acked-by: Jon Maloy <jon.maloy@xxxxxxxxxxxx>
Signed-off-by: Tommi Rantala <tommi.t.rantala@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/tipc/bearer.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -322,6 +322,7 @@ restart:
if (res) {
pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
name, -res);
+ kfree(b);
return -EINVAL;
}
@@ -345,8 +346,10 @@ restart:
if (skb)
tipc_bearer_xmit_skb(net, bearer_id, skb, &b->bcast_addr);
- if (tipc_mon_create(net, bearer_id))
+ if (tipc_mon_create(net, bearer_id)) {
+ bearer_disable(net, b);
return -ENOMEM;
+ }
pr_info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
name,