drivers/misc/c2port/c2port-duramar2150.c: checking for NULL instead of IS_ERR()

c2port_device_register() never returns NULL, it uses error pointers.

Link: http://lkml.kernel.org/r/20170412083321.GC3250@mwanda
Fixes: 65131cd52b ("c2port: add c2port support for Eurotech Duramar 2150")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dan Carpenter 2017-05-08 15:55:17 -07:00 committed by Linus Torvalds
parent 146180c052
commit 8128a31eaa

View File

@ -129,8 +129,8 @@ static int __init duramar2150_c2port_init(void)
duramar2150_c2port_dev = c2port_device_register("uc",
&duramar2150_c2port_ops, NULL);
if (!duramar2150_c2port_dev) {
ret = -ENODEV;
if (IS_ERR(duramar2150_c2port_dev)) {
ret = PTR_ERR(duramar2150_c2port_dev);
goto free_region;
}