ptp: Fix pass zero to ERR_PTR() in ptp_clock_register
commitaea0a897af9e44c258e8ab9296fad417f1bc063a
authorYueHaibing <yuehaibing@huawei.com>
Fri, 23 Nov 2018 01:54:55 +0000 (23 09:54 +0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 24 Nov 2018 02:04:02 +0000 (23 18:04 -0800)
tree1f9bbbb3d55fe48ebe9f67e8fc4fa8a46ba8cd4f
parent06d212900ea9183e707218c04f4e77fc204a4fde
ptp: Fix pass zero to ERR_PTR() in ptp_clock_register

Fix smatch warning:

drivers/ptp/ptp_clock.c:298 ptp_clock_register() warn:
 passing zero to 'ERR_PTR'

'err' should be set while device_create_with_groups and
pps_register_source fails

Fixes: 85a66e550195 ("ptp: create "pins" together with the rest of attributes")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/ptp/ptp_clock.c