[PATCH ipsec net] xfrm: put policies when reusing pcpu xdst entry

[Florian Westphal]

We need to put the policies when re-using the pcpu xdst entry, else
this leaks the reference.

Fixes: ec30d78c14a813db39a647b6a348b428 ("xfrm: add xdst pcpu cache")
Signed-off-by: Florian Westphal <f...@strlen.de>
---
 net/xfrm/xfrm_policy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9542975eb2f9..88143a480ec9 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1833,6 +1833,7 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, 
int num_pols,
                   sizeof(struct xfrm_policy *) * num_pols) == 0 &&
            xfrm_xdst_can_reuse(xdst, xfrm, err)) {
                dst_hold(&xdst->u.dst);
+               xfrm_pols_put(pols, num_pols);
                while (err > 0)
                        xfrm_state_put(xfrm[--err]);
                return xdst;
-- 
2.13.6