linux-ext4 - Re: [PATCH 14/25] subst: Fix free of uninit pointers

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Date:	Fri, 16 Sep 2011 18:56:26 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 14/25] subst: Fix free of uninit pointers

On Fri, Sep 16, 2011 at 03:49:29PM -0500, Eric Sandeen wrote:
> in add_subst(), if the malloc of ent->name fails, we goto fail;
> which will free ent->name (which is null, so OK) but also free
> ent->value (which is uninitialized).  There is no case where
> we must free ent->value on an error (it is allocated last, and
> if it fails it of course doesn't need to be freed) so just
> remove it.
> 
> Also "retval" is only assigned once to the constant ENOMEM,
> so we can just return that explicitly in the failure case.
> 
> Signed-off-by: Eric Saneeen <sandeen@...hat.com>
> Signed-off-by: Eric Sandeen <sandeen@...hat.com>

Applied, although I removed the double sign off.  :-)

	 	    	    	- Ted
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