linux-kernel - Re: [PATCH 6/6] staging: sm750fb: correct integer comparison

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Message-ID: <20150311075743.GS10964@mwanda>
Date:	Wed, 11 Mar 2015 10:57:43 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/6] staging: sm750fb: correct integer comparison

On Tue, Mar 10, 2015 at 10:46:57PM +0530, Sudip Mukherjee wrote:
> fixed the build warning about comparison of pointer and integer.
> end of string was being compared to NULL.
> 
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> ---
>  drivers/staging/sm750fb/sm750.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
> index 021b863..5532a28 100644
> --- a/drivers/staging/sm750fb/sm750.c
> +++ b/drivers/staging/sm750fb/sm750.c
> @@ -1000,7 +1000,7 @@ static void sm750fb_setup(struct lynx_share * share,char * src)
>              goto NO_PARAM;
>          }
>  
> -        while((opt = strsep(&src,":")) != NULL && *opt != NULL){
> +        while((opt = strsep(&src,":")) != NULL && *opt != 0){

Use '\0' for the NUL char.

regards,
dan carpenter
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