Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 0977/1095] Input: gscps2 - check return value of ioremap() in gscps2_probe() | Date | Mon, 15 Aug 2022 20:06:16 +0200 |
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From: Xie Shaowen <studentxswpy@163.com>
commit e61b3125a4f036b3c6b87ffd656fc1ab00440ae9 upstream.
The function ioremap() in gscps2_probe() can fail, so its return value should be checked.
Fixes: 4bdc0d676a643 ("remove ioremap_nocache and devm_ioremap_nocache") Cc: <stable@vger.kernel.org> # v5.6+ Reported-by: Hacash Robot <hacashRobot@santino.com> Signed-off-by: Xie Shaowen <studentxswpy@163.com> Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/input/serio/gscps2.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -350,6 +350,10 @@ static int __init gscps2_probe(struct pa 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);
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