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net/sun3_82586: fix potential memory leak in sun3_82586_send_packet()

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[ Upstream commit 2cb3f56e827abb22c4168ad0c1bbbf401bb2f3b8 ]

The sun3_82586_send_packet() returns NETDEV_TX_OK without freeing skb
in case of skb->len being too long, add dev_kfree_skb() to fix it.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Message-ID: <20241015144148.7918-1-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 22:41:48 +08:00 • committed by Greg Kroah-Hartman
parent 5e3231b352
commit 8d5b20fbc5
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/i825xx/sun3_82586.c
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@ -1015,6 +1015,7 @@ sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev)
if(skb->len > XMIT_BUFF_SIZE)
{
printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len);
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}