# Re: \[PATCH 3/4\] drivers/video/bf537-lq035.c: Add missing IS\_ERR test

- From: Paul Mundt \<hidden\>
- Date: 2011-01-25 06:12:12 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2011/01/3669345
- Thread: https://ratatoskr.run/kernel-janitors/2011/01/3669054/t.md

```text
On Mon, Jan 24, 2011 at 03:43:17PM -0500, Mike Frysinger wrote:
> On Monday, January 24, 2011 14:55:21 Julia Lawall wrote:
> > lcd_device_register may return ERR_PTR, so a check is added for this value
> > before the dereference.  All of the other changes reorganize the error
> > handling code in this function to avoid duplicating all of it in the added
> > case.
> > 
> > In the original code, in one case, the global variable fb_buffer was set to
> > NULL in error code that appears after this variable is initialized.  This
> > is done now in all error handling code that has this property.
> 
> Acked-by: Mike Frysinger <redacted>

Applied, thanks.
```