linux-kernel - Re: [PATCH] driver-core: only call kfree() if memory was allocated

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Date:	Sat, 3 Aug 2013 06:04:45 +0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Andreas Platschek <andi.platschek@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] driver-core: only call kfree() if memory was allocated

On Fri, Aug 02, 2013 at 11:43:50PM +0200, Andreas Platschek wrote:
> There are several cases where we could bail out of show_uevent()
> before kzalloc() is even called. In those cases we don't want to
> call kfree().

Why not?  It's totally safe to do that.

> In addition the error handling of kzalloc() is now using the
> single point of exit as well.

We had the single point of exit to start with, there's no change made
there.

Sorry, but I'm not going to take this patch, it's not needed.

thanks,

greg k-h
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