From: Ben Pfaff <blp@nicira.com>
Date: Tue, 11 Nov 2008 23:40:48 +0000 (-0800)
Subject: Verify in execute_actions() that 'skb' is not shared.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd6c80d47c8ab598b35ac00072afe5beff00c73f;p=openvswitch

Verify in execute_actions() that 'skb' is not shared.
---

diff --git a/datapath/dp_act.c b/datapath/dp_act.c
index 14eaac33..c41a3299 100644
--- a/datapath/dp_act.c
+++ b/datapath/dp_act.c
@@ -460,6 +460,7 @@ void execute_actions(struct datapath *dp, struct sk_buff *skb,
 		struct ofp_action_header *ah = (struct ofp_action_header *)p;
 		size_t len = htons(ah->len);
 
+		WARN_ON_ONCE(skb_shared(skb));
 		if (prev_port != -1) {
 			do_output(dp, skb_clone(skb, GFP_ATOMIC),
 				  max_len, prev_port, ignore_no_fwd);