From: Xie Shaowen <studentxswpy@xxxxxxx> The function ioremap() in gscps2_probe() can fail, so its return value should be checked. Fixes: 4bdc0d676a643 ("remove ioremap_nocache and devm_ioremap_nocache") Reported-by: Hacash Robot <hacashRobot@xxxxxxxxxxx> Signed-off-by: Xie Shaowen <studentxswpy@xxxxxxx> --- drivers/input/serio/gscps2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index a9065c6ab550..da2c67cb8642 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -350,6 +350,10 @@ static int __init gscps2_probe(struct parisc_device *dev) ps2port->port = serio; ps2port->padev = dev; ps2port->addr = ioremap(hpa, GSC_STATUS + 4); + if (!ps2port->addr) { + ret = -ENOMEM; + goto fail_nomem; + } spin_lock_init(&ps2port->lock); gscps2_reset(ps2port); -- 2.25.1