benet: fix return value check in be_lancer_xmit_workarounds()

[ Upstream commit 5c85f70657 ]

in be_lancer_xmit_workarounds(), it should go to label 'tx_drop'
if an unexpected value is returned by pskb_trim().

Fixes: 93040ae5cc ("be2net: Fix to trim skb for padded vlan packets to workaround an ASIC Bug")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Link: https://lore.kernel.org/r/20230725032726.15002-1-ruc_gongyuanjun@163.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yuanjun Gong 2023-07-25 11:27:26 +08:00 committed by Greg Kroah-Hartman
parent 0f7432b7c3
commit 0069a11a6f
1 changed files with 2 additions and 1 deletions

View File

@ -1139,7 +1139,8 @@ static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter,
(lancer_chip(adapter) || BE3_chip(adapter) ||
skb_vlan_tag_present(skb)) && is_ipv4_pkt(skb)) {
ip = (struct iphdr *)ip_hdr(skb);
pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len));
if (unlikely(pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len))))
goto tx_drop;
}
/* If vlan tag is already inlined in the packet, skip HW VLAN