Commit 5a5990d3 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by David S. Miller
Browse files

net: Avoid race between network down and sysfs 



Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Acked-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 07555c98

net/core/net-sysfs.c

+3 −1
Original line number Diff line number Diff line
@@ -77,7 +77,9 @@ static ssize_t netdev_store(struct device *dev, struct device_attribute *attr, 
	if (endp == buf)

		goto err;



	rtnl_lock();

	if (!rtnl_trylock())

		return -ERESTARTSYS;



	if (dev_isalive(net)) {

		if ((ret = (*set)(net, new)) == 0)

			ret = len;