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authorYuanjun Gong2023-07-25 11:27:26 +0800
committerPaolo Abeni2023-07-27 10:31:38 +0200
commit5c85f7065718a949902b238a6abd8fc907c5d3e0 (patch)
tree8d6ed8045231d1e56ba52b2e6b9d5868d6b8e1c2
parentff0df20827f6ac32822f9855998c4db3e99af47c (diff)
benet: fix return value check in be_lancer_xmit_workarounds()
in be_lancer_xmit_workarounds(), it should go to label 'tx_drop' if an unexpected value is returned by pskb_trim(). Fixes: 93040ae5cc8d ("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>
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 18c2fc880d09..0616b5fe241c 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1138,7 +1138,8 @@ 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