3.9-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Cong Wang <[email protected]>

[ 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 <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Steffen Klassert <[email protected]>
Cc: David S. Miller <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/ipv6/xfrm6_policy.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -103,8 +103,10 @@ static int xfrm6_fill_dst(struct xfrm_ds
        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;
+       }
 
        rt6_transfer_peer(&xdst->u.rt6, rt);
 


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