[Intel-wired-lan] [net] xfrm: allow to release xfrm_state with flush

Jacek Kalwas jacek.kalwas at intel.com
Thu Apr 12 19:03:14 UTC 2018


Call to flush SAs doesn't release xfrm_state in case there was a
traffic associated with that state and state was already deleted.

Given patch calls xfrm_policy_cache_flush despite of actual states
deleted in xfrm_state_flush function.

Signed-off-by: Jacek Kalwas <jacek.kalwas at intel.com>
---
 net/xfrm/xfrm_state.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f9d2f2233f09..7d3d6a12a14f 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -734,10 +734,10 @@ int xfrm_state_flush(struct net *net, u8 proto, bool task_valid)
 	}
 out:
 	spin_unlock_bh(&net->xfrm.xfrm_state_lock);
-	if (cnt) {
+	if (cnt)
 		err = 0;
-		xfrm_policy_cache_flush();
-	}
+
+	xfrm_policy_cache_flush();
 	return err;
 }
 EXPORT_SYMBOL(xfrm_state_flush);
-- 
2.14.3

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