Commit c8d90dca authored Oct 26, 2007 by Stephen Hemminger Committed by David S. Miller Oct 26, 2007

[NET] dev_change_name: ignore changes to same name



Prevent error/backtrace from dev_rename() when changing
name of network device to the same name. This is a common
situation with udev and other scripts that bind addr to device.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 8c56a347

net/core/dev.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -883,6 +883,9 @@ int dev_change_name(struct net_device dev, char newname)
		if (!dev_valid_name(newname))
		return -EINVAL;

		if (strncmp(newname, dev->name, IFNAMSIZ) == 0)
		return 0;

		memcpy(oldname, dev->name, IFNAMSIZ);

		if (strchr(newname, '%')) {