linux-kernel - Re: [PATCH] staging: line6: toneport.c: Fix for possible null pointer dereference

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Message-ID: <20140520220435.GR15585@mwanda>
Date:	Wed, 21 May 2014 01:04:35 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rashika Kheria <rashika.kheria@...il.com>,
	devel@...verdev.osuosl.org, Stefan Hajnoczi <stefanha@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: line6: toneport.c: Fix for possible null
 pointer dereference

On Mon, May 19, 2014 at 11:39:00PM +0200, Rickard Strandqvist wrote:
> There is otherwise a risk of a possible null pointer dereference.
> 
> Was largely found by using a static code analysis program called cppcheck.
> 
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>

This one is called from line6_disconnect() and the caller checks that
usb_get_intfdata(interface); returns non-NULL.  So it's messy code but
not a real bug.

For the lustre ones, I don't know if they are real bugs or not.

regards,
dan carpenter

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