diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 60390696e184e845ddca9d973273b4ac4e3fee8a..e835193cabcc37f5ed02f83c133bbde507de2334 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3894,12 +3894,8 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb, } hsize = skb_headlen(head_skb) - offset; - if (hsize < 0) - hsize = 0; - if (hsize > len || !sg) - hsize = len; - if (!hsize && i >= nfrags && skb_headlen(list_skb) && + if (hsize <= 0 && i >= nfrags && skb_headlen(list_skb) && (skb_headlen(list_skb) == len || sg)) { BUG_ON(skb_headlen(list_skb) > len); @@ -3942,6 +3938,11 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb, skb_release_head_state(nskb); __skb_push(nskb, doffset); } else { + if (hsize > len || !sg) + hsize = len; + else if (hsize < 0) + hsize = 0; + nskb = __alloc_skb(hsize + doffset + headroom, GFP_ATOMIC, skb_alloc_rx_flag(head_skb), NUMA_NO_NODE);