[PATCH] drivers/x86: fix ptr_ret.cocci warnings

[kbuild test robot]

drivers/platform/x86/thinkpad-wmi.c:1205:1-3: WARNING: PTR_ERR_OR_ZERO can be 
used


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 3af63e23450d ("drivers/x86: add thinkpad-wmi")
CC: Corentin Chary <corentin.ch...@gmail.com>
Signed-off-by: Fengguang Wu <fengguang...@intel.com>
---

 thinkpad-wmi.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/platform/x86/thinkpad-wmi.c
+++ b/drivers/platform/x86/thinkpad-wmi.c
@@ -1202,9 +1202,7 @@ static int __init thinkpad_wmi_init(void
        platform_device = platform_create_bundle(&platform_driver,
                                                 thinkpad_wmi_probe,
                                                 NULL, 0, NULL, 0);
-       if (IS_ERR(platform_device))
-               return PTR_ERR(platform_device);
-       return 0;
+       return PTR_ERR_OR_ZERO(platform_device);
 }
 
 static void __exit thinkpad_wmi_exit(void)