MIRRORS/linux-imx
1
0
Fork 0
mirror of https://github.com/nxp-imx/linux-imx.git synced 2025-07-17 22:59:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

be2net: fix potential memory leak in be_xmit()

Browse Source 
[ Upstream commit e4dd8bfe0f ]

The be_xmit() returns NETDEV_TX_OK without freeing skb
in case of be_xmit_enqueue() fails, add dev_kfree_skb_any() to fix it.

Fixes: 760c295e0e ("be2net: Support for OS2BMC.")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Message-ID: <20241015144802.12150-1-wanghai38@huawei.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wang Hai 2024-10-15 22:48:02 +08:00 committed by Greg Kroah-Hartman
parent 6dc937a308
commit 641c1beed5
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -1381,10 +1381,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
be_get_wrb_params_from_skb(adapter, skb, &wrb_params);
wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params);
if (unlikely(!wrb_cnt)) {
dev_kfree_skb_any(skb);
goto drop;
}
if (unlikely(!wrb_cnt))
goto drop_skb;
/* if os2bmc is enabled and if the pkt is destined to bmc,
* enqueue the pkt a 2nd time with mgmt bit set.
@ -1393,7 +1391,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
BE_WRB_F_SET(wrb_params.features, OS2BMC, 1);
wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params);
if (unlikely(!wrb_cnt))
goto drop;
goto drop_skb;
else
skb_get(skb);
}
@ -1407,6 +1405,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
be_xmit_flush(adapter, txo);
return NETDEV_TX_OK;
drop_skb:
dev_kfree_skb_any(skb);
drop:
tx_stats(txo)->tx_drv_drops++;
/* Flush the already enqueued tx requests */