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Commit fe984c08 authored by Andy Zhou's avatar Andy Zhou Committed by Pravin B Shelar
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openvswitch: Fix a double free bug for the sample action 



When sample action returns with an error, the skb has already been
freed. This patch fix a bug to make sure we don't free it again.
This bug introduced by commit ccb1352e (net: Add Open vSwitch
kernel components.)

Signed-off-by: default avatarAndy Zhou <azhou@nicira.com>
Signed-off-by: default avatarPravin B Shelar <pshelar@nicira.com>
parent dba63115

net/openvswitch/actions.c

+2 −0
Original line number Diff line number Diff line
@@ -551,6 +551,8 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb, 


		case OVS_ACTION_ATTR_SAMPLE:

			err = sample(dp, skb, a);

			if (unlikely(err)) /* skb already freed. */

				return err;

			break;

		}