'len' is unsigned of type size_t and can't be negative.
Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
vnet_hdr_len = q->vnet_hdr_sz;
err = -EINVAL;
vnet_hdr_len = q->vnet_hdr_sz;
err = -EINVAL;
- if ((len -= vnet_hdr_len) < 0)
+ if (len < vnet_hdr_len)
err = memcpy_fromiovecend((void *)&vnet_hdr, iv, 0,
sizeof(vnet_hdr));
err = memcpy_fromiovecend((void *)&vnet_hdr, iv, 0,
sizeof(vnet_hdr));