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Commit d9e0ecb8 authored by Andy Zhou's avatar Andy Zhou Committed by Pravin B Shelar
Browse files

openvswitch: Add skb_clone NULL check for the sampling action. 



Fix a bug where skb_clone() NULL check is missing in sample action
implementation.

Signed-off-by: default avatarAndy Zhou <azhou@nicira.com>
Signed-off-by: default avatarPravin B Shelar <pshelar@nicira.com>
parent 651887b0

net/openvswitch/actions.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -477,6 +477,8 @@ static int sample(struct datapath *dp, struct sk_buff *skb, 
		skb_get(skb);

		skb_get(skb);

	} else {

	} else {

		sample_skb = skb_clone(skb, GFP_ATOMIC);

		sample_skb = skb_clone(skb, GFP_ATOMIC);

		if (!sample_skb) /* Skip sample action when out of memory. */

			return 0;

	}

	}





	/* Note that do_execute_actions() never consumes skb.

	/* Note that do_execute_actions() never consumes skb.