class_create() never returns NULLs only ERR_PTRs.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
int err;
pps_class = class_create(THIS_MODULE, "pps");
- if (!pps_class) {
+ if (IS_ERR(pps_class)) {
pr_err("failed to allocate class\n");
- return -ENOMEM;
+ return PTR_ERR(pps_class);
}
pps_class->dev_attrs = pps_attrs;