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Subject[PATCH AUTOSEL for 4.14 059/110] tipc: error path leak fixes in tipc_enable_bearer()
Date
From: Tommi Rantala <tommi.t.rantala@nokia.com>

[ 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@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
net/tipc/bearer.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 47ec121574ce..c8001471da6c 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -324,6 +324,7 @@ restart:
if (res) {
pr_warn("Bearer <%s> rejected, enable failure (%d)\n",
name, -res);
+ kfree(b);
return -EINVAL;
}

@@ -347,8 +348,10 @@ 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,
--
2.11.0
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