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benet: fix return value check in be_lancer_xmit_workarounds()

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[ 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 f40f7a858b
commit 3661bab5af
1 changed files with 2 additions and 1 deletions
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drivers/net/ethernet/emulex/benet/be_main.c
+2 -1
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@@ -1139,7 +1139,8 @@ static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter,
(lancer_chip(adapter) || BE3_chip(adapter) || (lancer_chip(adapter) || BE3_chip(adapter) ||
skb_vlan_tag_present(skb)) && is_ipv4_pkt(skb)) { skb_vlan_tag_present(skb)) && is_ipv4_pkt(skb)) {
ip = (struct iphdr *)ip_hdr(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 /* If vlan tag is already inlined in the packet, skip HW VLAN