Commit 5a5990d3 authored Feb 26, 2009 by Stephen Hemminger Committed by David S. Miller Mar 03, 2009

net: Avoid race between network down and sysfs



Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David 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;