ice: fix return value check in ice_gnss.c

kthread_create_worker() and tty_alloc_driver() return ERR_PTR()
and never return NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Fixes: 43113ff734 ("ice: add TTY for GNSS module for E810T device")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Yang Yingliang 2022-03-05 17:04:30 +08:00 committed by Tony Nguyen
parent 2bcd5b9f35
commit 2b1d0a242a

View File

@ -125,7 +125,7 @@ static struct gnss_serial *ice_gnss_struct_init(struct ice_pf *pf)
* writes.
*/
kworker = kthread_create_worker(0, "ice-gnss-%s", dev_name(dev));
if (!kworker) {
if (IS_ERR(kworker)) {
kfree(gnss);
return NULL;
}
@ -253,7 +253,7 @@ static struct tty_driver *ice_gnss_create_tty_driver(struct ice_pf *pf)
int err;
tty_driver = tty_alloc_driver(1, TTY_DRIVER_REAL_RAW);
if (!tty_driver) {
if (IS_ERR(tty_driver)) {
dev_err(ice_pf_to_dev(pf), "Failed to allocate memory for GNSS TTY\n");
return NULL;
}