w1: use put_device() if device_register() fail

If device_register() returned an error! Always use put_device()
to give up the reference initialized in device_register().

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arvind Yadav 2018-03-06 15:54:06 +05:30 committed by Greg Kroah-Hartman
parent aeef9c0974
commit 0ec4eb71b4

View File

@ -706,6 +706,7 @@ static int __w1_attach_slave_device(struct w1_slave *sl)
dev_err(&sl->dev,
"Device registration [%s] failed. err=%d\n",
dev_name(&sl->dev), err);
put_device(&sl->dev);
return err;
}
w1_family_notify(BUS_NOTIFY_ADD_DEVICE, sl);