# \[PATCH 04/15\] video: jz4740: remove unnecessary platform\_set\_drvdata()

- From: Jingoo Han \<hidden\>
- Date: 2013-05-11 12:48:55 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2013/05/13465015
- Thread: https://ratatoskr.run/linux-fbdev/2013/05/13465015/t.md

```text
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <redacted>
---
 drivers/video/jz4740_fb.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/video/jz4740_fb.c b/drivers/video/jz4740_fb.c
index 36979b4..2c49112 100644
--- a/drivers/video/jz4740_fb.c
+++ b/drivers/video/jz4740_fb.c
@@ -737,8 +737,6 @@ static int jzfb_remove(struct platform_device *pdev)
 	fb_dealloc_cmap(&jzfb->fb->cmap);
 	jzfb_free_devmem(jzfb);
 
-	platform_set_drvdata(pdev, NULL);
-
 	framebuffer_release(jzfb->fb);
 
 	return 0;
-- 
1.7.2.5


```