# Re: \[PATCH 6/6\] staging: sm750fb: correct integer comparison

- From: Sudip Mukherjee \<sudipm.mukherjee@gmail.com\>
- Date: 2015-03-11 08:56:11 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2015/03/4448192
- Thread: https://ratatoskr.run/linux-fbdev/2015/03/4447758/t.md

```text
On Wed, Mar 11, 2015 at 10:57:43AM +0300, Dan Carpenter wrote:
> On Tue, Mar 10, 2015 at 10:46:57PM +0530, Sudip Mukherjee wrote:
> >  
> > -        while((opt = strsep(&src,":")) != NULL && *opt != NULL){
> > +        while((opt = strsep(&src,":")) != NULL && *opt != 0){
> 
> Use '\0' for the NUL char.
i got a doubt while making that patch, so i checked lib/string.c and
saw both 0 and '\0' are used.

regards
sudip
> 
> regards,
> dan carpenter
```