From: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Date: Thu, 25 Feb 2016 05:37:59 +0000 (+0530)
Subject: staging: unisys: visorbus: Remove unnecessary dev_set_drvdata()
X-Git-Tag: v4.14-rc1~3621^2~416
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8247bcb998f2824f89da2eb5ec21f3e7d4fa66a5;p=platform%2Fkernel%2Flinux-rpi.git

staging: unisys: visorbus: Remove unnecessary dev_set_drvdata()

Unnecessary dev_set_drvdata() has been removed since the driver
core clears the driver data to NULL after device release or on
probe failure. There is no need to manually clear the device
driver data to NULL.

The Coccinelle semantic patch used to make this change is as follows:
//<smpl>
@@
struct device *dev;
@@
- dev_set_drvdata(dev, NULL);
//</smpl>

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index 4f7d743..9e048e9 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -221,7 +221,6 @@ visorbus_release_busdevice(struct device *xdev)
 {
 	struct visor_device *dev = dev_get_drvdata(xdev);
 
-	dev_set_drvdata(xdev, NULL);
 	kfree(dev);
 }