net/mlx5e: fix return value check in mlx5e_ipsec_remove_trailer()

mlx5e_ipsec_remove_trailer() should return an error code if function
pskb_trim() returns an unexpected value.

Fixes: 2ac9cfe782 ("net/mlx5e: IPSec, Add Innova IPSec offload TX data path")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Yuanjun Gong 2023-07-25 14:56:55 +08:00 committed by Saeed Mahameed
parent c6cf0b6097
commit e5bcb7564d

View file

@ -58,7 +58,9 @@ static int mlx5e_ipsec_remove_trailer(struct sk_buff *skb, struct xfrm_state *x)
trailer_len = alen + plen + 2;
pskb_trim(skb, skb->len - trailer_len);
ret = pskb_trim(skb, skb->len - trailer_len);
if (unlikely(ret))
return ret;
if (skb->protocol == htons(ETH_P_IP)) {
ipv4hdr->tot_len = htons(ntohs(ipv4hdr->tot_len) - trailer_len);
ip_send_check(ipv4hdr);