linux-kernel - [PATCH] usb: typec: fix ptr

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Date:   Tue, 31 Jan 2017 01:38:34 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     kbuild-all@...org, Greg KH <gregkh@...uxfoundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Oliver Neukum <oneukum@...e.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: [PATCH] usb: typec: fix ptr_ret.cocci warnings

drivers/usb/typec/typec.c:1249:1-3: 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

CC: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

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

--- a/drivers/usb/typec/typec.c
+++ b/drivers/usb/typec/typec.c
@@ -1246,9 +1246,7 @@ EXPORT_SYMBOL_GPL(typec_unregister_port)
 static int __init typec_init(void)
 {
 	typec_class = class_create(THIS_MODULE, "typec");
-	if (IS_ERR(typec_class))
-		return PTR_ERR(typec_class);
-	return 0;
+	return PTR_ERR_OR_ZERO(typec_class);
 }
 subsys_initcall(typec_init);