Unverified Commit 6bc20a2c authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!890 ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce() 

Merge Pull Request from: @ci-robot 
 
PR sync from:  Zhengchao Shao <shaozhengchao@huawei.com>
 https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/thread/RD4XA3AJYG55M6DKC5CSK5O2Z4JJWDPF/ 
 
 
Link:https://gitee.com/openeuler/kernel/pulls/890

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 3fa9c2ff b7355a31

net/ethtool/ioctl.c

+1 −1
Original line number Diff line number Diff line
@@ -1696,7 +1696,7 @@ static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, 
	struct ethtool_coalesce coalesce;

	int ret;



	if (!dev->ethtool_ops->set_coalesce && !dev->ethtool_ops->get_coalesce)

	if (!dev->ethtool_ops->set_coalesce || !dev->ethtool_ops->get_coalesce)

		return -EOPNOTSUPP;



	ret = dev->ethtool_ops->get_coalesce(dev, &coalesce, &kernel_coalesce,