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authorXie Shaowen <studentxswpy@163.com>2022-08-02 10:20:33 +0300
committerHelge Deller <deller@gmx.de>2022-08-02 11:31:59 +0300
commite61b3125a4f036b3c6b87ffd656fc1ab00440ae9 (patch)
tree62e32593ebf2dc60ccd76d64b70b98784b68cc04 /drivers/input/serio
parent6431e92fc827bdd2d28f79150d90415ba9ce0d21 (diff)
downloadlinux-e61b3125a4f036b3c6b87ffd656fc1ab00440ae9.tar.xz
Input: gscps2 - check return value of ioremap() in gscps2_probe()
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>
Diffstat (limited to 'drivers/input/serio')
-rw-r--r--drivers/input/serio/gscps2.c4
1 files changed, 4 insertions, 0 deletions
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);