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authorCong Wang <amwang@redhat.com>2013-05-09 22:40:00 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-19 10:04:47 -0700
commita7e22d0c0e81dde129a51ee413644124f4b59954 (patch)
tree9006bf83cb848a05c349fe7128b0700b89867d81
parent1e74f2ea952f201c5ee5edce74daab21aea89b31 (diff)
xfrm6: release dev before returning error
[ Upstream commit 84c4a9dfbf430861e7588d95ae3ff61535dca351 ] We forget to call dev_put() on error path in xfrm6_fill_dst(), its caller doesn't handle this. Signed-off-by: Cong Wang <amwang@redhat.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Steffen Klassert <steffen.klassert@secunet.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--net/ipv6/xfrm6_policy.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index d879f7efbd1..db78e7d874d 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)