linux-kernel - Re: [2.6 patch] mtd/cmdlinepart.c: don't compare pointers with 0

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Date:	Mon, 14 Apr 2008 18:42:11 +0400
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	dwmw2@...radead.org, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] mtd/cmdlinepart.c: don't compare pointers with 0

Hello.

Adrian Bunk wrote:

> Sparse spotted that 0 was compared to pointers.

> While I was at it, I also moved the assignments out of the if's.

> Signed-off-by: Adrian Bunk <bunk@...nel.org>

> 32de76e83f37322dd85eaecf126e7b17327f606f diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
> index b44292a..3e09043 100644
> --- a/drivers/mtd/cmdlinepart.c
> +++ b/drivers/mtd/cmdlinepart.c
> @@ -119,7 +119,8 @@ static struct mtd_partition * newpart(char *s,
>  		char *p;
>  
>  	    	name = ++s;
> -		if ((p = strchr(name, delim)) == 0)
> +		p = strchr(name, delim);
> +		if (!p)
>  		{

    Wouldn't it be nice to join the standalone brace to if () while it?

>  			printk(KERN_ERR ERRP "no closing %c found in partition name\n", delim);
>  			return NULL;

WBR, Sergei
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