net/core/skbuff: Check the return value of skb_copy_bits()

skb_copy_bits() could fail, which requires a check on the return
value.

Signed-off-by: Li Zhong <floridsleeves@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
lily 2022-08-22 22:44:11 -07:00 committed by David S. Miller
parent 76de008340
commit c624c58e08
1 changed files with 2 additions and 3 deletions

View File

@ -4205,9 +4205,8 @@ struct sk_buff *skb_segment(struct sk_buff *head_skb,
SKB_GSO_CB(nskb)->csum_start = SKB_GSO_CB(nskb)->csum_start =
skb_headroom(nskb) + doffset; skb_headroom(nskb) + doffset;
} else { } else {
skb_copy_bits(head_skb, offset, if (skb_copy_bits(head_skb, offset, skb_put(nskb, len), len))
skb_put(nskb, len), goto err;
len);
} }
continue; continue;
} }