[PATCH 098/115] xfrm6: release dev before returning error
Luis Henriques
luis.henriques at canonical.com
Mon May 20 10:51:38 UTC 2013
3.5.7.13 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Cong Wang <amwang at redhat.com>
commit 84c4a9dfbf430861e7588d95ae3ff61535dca351 upstream.
We forget to call dev_put() on error path in xfrm6_fill_dst(),
its caller doesn't handle this.
Cc: Herbert Xu <herbert at gondor.apana.org.au>
Cc: Steffen Klassert <steffen.klassert at secunet.com>
Cc: David S. Miller <davem at davemloft.net>
Signed-off-by: Cong Wang <amwang at redhat.com>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
net/ipv6/xfrm6_policy.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 8625fba..1cfb9a4 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -96,8 +96,10 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
dev_hold(dev);
xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
- if (!xdst->u.rt6.rt6i_idev)
+ if (!xdst->u.rt6.rt6i_idev) {
+ dev_put(dev);
return -ENODEV;
+ }
xdst->u.rt6.rt6i_peer = rt->rt6i_peer;
if (rt->rt6i_peer)
--
1.8.1.2
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