u32 cmd_length = 0;
u16 ipcse = 0, mss;
u8 ipcss, ipcso, tucss, tucso, hdr_len;
+ int err;
if (!skb_is_gso(skb))
return 0;
- if (skb_header_cloned(skb)) {
- int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
-
- if (err)
- return err;
- }
+ err = skb_cow_head(skb, 0);
+ if (err < 0)
+ return err;
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
mss = skb_shinfo(skb)->gso_size;