diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2020-08-15 11:48:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-19 01:55:24 +0300 |
| commit | e3ec1e8ca02b7e6c935bba3f9b6da86c2e57d2eb (patch) | |
| tree | 3abbfe2a791c1a43136d3326e2f67da9207fe4cb /net | |
| parent | 46191546d03d2e0c18d1c1d18e1ce11f5e717f28 (diff) | |
| download | linux-e3ec1e8ca02b7e6c935bba3f9b6da86c2e57d2eb.tar.xz | |
net: eliminate meaningless memcpy to data in pskb_carve_inside_nonlinear()
The frags of skb_shared_info of the data is assigned in following loop. It
is meaningless to do a memcpy of frags here.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/skbuff.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 5c3b906aeef3..2f7dd689bccc 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -5953,8 +5953,7 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off, size = SKB_WITH_OVERHEAD(ksize(data)); memcpy((struct skb_shared_info *)(data + size), - skb_shinfo(skb), offsetof(struct skb_shared_info, - frags[skb_shinfo(skb)->nr_frags])); + skb_shinfo(skb), offsetof(struct skb_shared_info, frags[0])); if (skb_orphan_frags(skb, gfp_mask)) { kfree(data); return -ENOMEM; |