From: Wang Hai Date: Tue, 15 Oct 2024 14:41:48 +0000 (+0800) Subject: net/sun3_82586: fix potential memory leak in sun3_82586_send_packet() X-Git-Tag: v6.12-rc5~22^2~28 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2cb3f56e827abb22c4168ad0c1bbbf401bb2f3b8;p=thirdparty%2Fkernel%2Flinux.git net/sun3_82586: fix potential memory leak in sun3_82586_send_packet() 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: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Wang Hai Reviewed-by: Simon Horman Message-ID: <20241015144148.7918-1-wanghai38@huawei.com> Signed-off-by: Andrew Lunn --- diff --git a/drivers/net/ethernet/i825xx/sun3_82586.c b/drivers/net/ethernet/i825xx/sun3_82586.c index f2d4669c81cf2..58a3d28d938c3 100644 --- a/drivers/net/ethernet/i825xx/sun3_82586.c +++ b/drivers/net/ethernet/i825xx/sun3_82586.c @@ -1012,6 +1012,7 @@ 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; }