net: hns3: add validity check for message data length
authorJian Shen <shenjian15@huawei.com>
Sun, 24 Apr 2022 12:57:24 +0000 (20:57 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 9 May 2022 07:03:25 +0000 (09:03 +0200)
commitdaca23846eb3d5c831bc30a3da708854767ef7d1
tree335940c680f2fa84d7b0bb8e1b3e3d9c13902e37
parent7763a79566322e72c6278a1a0b778007e58be42c
net: hns3: add validity check for message data length

[ Upstream commit 7d413735cb18ff73aaba3457b16b08332e8d3cc4 ]

Add validity check for message data length in function
hclge_send_mbx_msg(), avoid unexpected overflow.

Fixes: dde1a86e93ca ("net: hns3: Add mailbox support to PF driver")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c