From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Thu, 7 Jun 2012 12:27:40 -0500
Subject: [U-Boot] [PATCH] cmd_nand: fix crashing bug in nand read/write
In-Reply-To: <1339089558-22806-1-git-send-email-steve@sakoman.com>
References: <1339089558-22806-1-git-send-email-steve@sakoman.com>
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To: u-boot@lists.denx.de

On 06/07/2012 12:19 PM, Steve Sakoman wrote:
> Commit 418396e212b59bf907dbccad997ff50f7eb61b16 introduced a
> bug that causes nand read and nand write to crash in strcmp
> due to a null pointer.
> 
> Root cause is that strchr(cmd, '.') returns a null pointer when
> the input string does not contain a '.'
> 
> The strcmp function does not check for null pointers, resulting
> in a crash.
> 
> Signed-off-by: Steve Sakoman <steve@sakoman.com>

Applied to u-boot-nand-flash, thanks!

This was missed in testing because U-Boot on PowerPC unfortunately has a
valid mapping at NULL.

-Scott