diff options
Diffstat (limited to 'drivers/char/hpet.c')
-rw-r--r-- | drivers/char/hpet.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c index d0ad85900b79..5c39f20378b8 100644 --- a/drivers/char/hpet.c +++ b/drivers/char/hpet.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Intel & MS High Precision Event Timer Implementation. * @@ -5,10 +6,6 @@ * Venki Pallipadi * (c) Copyright 2004 Hewlett-Packard Development Company, L.P. * Bob Picco <robert.picco@hp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/interrupt.h> @@ -973,6 +970,8 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data) if (ACPI_SUCCESS(status)) { hdp->hd_phys_address = addr.address.minimum; hdp->hd_address = ioremap(addr.address.minimum, addr.address.address_length); + if (!hdp->hd_address) + return AE_ERROR; if (hpet_is_known(hdp)) { iounmap(hdp->hd_address); |