[ Upstream commit
1f18b7176e2e41fada24584ce3c80e9abfaca52b]
Parameter 'len' is size_t type so it will never get negative.
Signed-off-by: Mariusz Kozlowski <mk@lab.zgora.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
err = -EINVAL;
vnet_hdr_len = sizeof(vnet_hdr);
- if ((len -= vnet_hdr_len) < 0)
+ if (len < vnet_hdr_len)
goto out_free;
+ len -= vnet_hdr_len;
+
if (skb_is_gso(skb)) {
struct skb_shared_info *sinfo = skb_shinfo(skb);