mt76: remove skb_cow() to avoid unnecessary reallocations

Signed-off-by: Felix Fietkau <[email protected]>
2026-10-24 13:26:48 +00:00 · 2016-01-14 01:42:17 +01:00
parent 54cb9c330c
commit 05511ea588
1 changed files with 2 additions and 2 deletions
@@ -30,8 +30,8 @@ int mt76_insert_hdr_pad(struct sk_buff *skb)
 	if (len % 4 == 0)
 		return 0;

-	ret = skb_cow(skb, 2);
-	if (ret)
+	if (skb_headroom(skb) < 2 &&
+	    (ret = pskb_expand_head(skb, 2, 0, GFP_ATOMIC)) != 0)
 		return ret;

 	skb_push(skb, 2);