@@ -82,7 +82,7 @@ static int ip_forward_finish_gso(struct sk_buff *skb)
features = netif_skb_dev_features(skb, dst->dev);
segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
- if (IS_ERR(segs)) {
+ if (IS_ERR_OR_NULL(segs)) {
kfree_skb(skb);
return -ENOMEM;
}
@@ -689,7 +689,7 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
* returned by nf_queue. For instance, callers rely on -ECANCELED to
* mean 'ignore this hook'.
*/
- if (IS_ERR(segs))
+ if (IS_ERR_OR_NULL(segs))
goto out_err;
queued = 0;
err = 0;
@@ -323,6 +323,8 @@ static int queue_gso_packets(struct net *net, int dp_ifindex,
segs = __skb_gso_segment(skb, NETIF_F_SG | NETIF_F_HW_CSUM, false);
if (IS_ERR(segs))
return PTR_ERR(segs);
+ if (segs == NULL)
+ return -EINVAL;
/* Queue all of the segments. */
skb = segs;
@@ -157,6 +157,8 @@ static int xfrm_output_gso(struct sk_buff *skb)
kfree_skb(skb);
if (IS_ERR(segs))
return PTR_ERR(segs);
+ if (segs == NULL)
+ return -EINVAL;
do {
struct sk_buff *nskb = segs->next;