mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-22 00:40:03 +00:00
[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>
This commit is contained in:
parent
8c56a347c1
commit
c8d90dca32
1 changed files with 3 additions and 0 deletions
|
@ -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, '%')) {
|
||||
|
|
Loading…
Reference in a new issue