openvswitch: Check currect return value from skb_gso_segment()

Fix return check typo.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index b512cb8..670e630 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -269,8 +269,8 @@
 	int err;
 
 	segs = skb_gso_segment(skb, NETIF_F_SG | NETIF_F_HW_CSUM);
-	if (IS_ERR(skb))
-		return PTR_ERR(skb);
+	if (IS_ERR(segs))
+		return PTR_ERR(segs);
 
 	/* Queue all of the segments. */
 	skb = segs;