Merge branch 'batman-adv/merge' of git://git.open-mesh.org/ecsv/linux-merge

diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index ee41fef..d1a6113 100644 (file)
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -50,12 +50,12 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
                skb = tfp->skb;
        }
 
+       if (skb_linearize(skb) < 0 || skb_linearize(tmp_skb) < 0)
+               goto err;
+
        skb_pull(tmp_skb, sizeof(struct unicast_frag_packet));
-       if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0) {
-               /* free buffered skb, skb will be freed later */
-               kfree_skb(tfp->skb);
-               return NULL;
-       }
+       if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0)
+               goto err;
 
        /* move free entry to end */
        tfp->skb = NULL;
@@ -70,6 +70,11 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
        unicast_packet->packet_type = BAT_UNICAST;
 
        return skb;
+
+err:
+       /* free buffered skb, skb will be freed later */
+       kfree_skb(tfp->skb);
+       return NULL;
 }
 
 static void frag_create_entry(struct list_head *head, struct sk_buff *skb)