driver core: location: Check for allocations failure
authorDan Carpenter <dan.carpenter@oracle.com>
Thu, 5 May 2022 10:32:59 +0000 (13:32 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 6 May 2022 07:58:34 +0000 (09:58 +0200)
Check whether the kzalloc() succeeds and return false if it fails.

Fixes: 6423d2951087 ("driver core: Add sysfs support for physical location of a device")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YnOn28OFBHHd5bQb@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/base/physical_location.c

index 4c1a52e..fbd9f98 100644 (file)
@@ -24,6 +24,8 @@ bool dev_add_physical_location(struct device *dev)
 
        dev->physical_location =
                kzalloc(sizeof(*dev->physical_location), GFP_KERNEL);
+       if (!dev->physical_location)
+               return false;
        dev->physical_location->panel = pld->panel;
        dev->physical_location->vertical_position = pld->vertical_position;
        dev->physical_location->horizontal_position = pld->horizontal_position;