linux-kernel - Re: [PATCH] fsl/fman: fix error handling

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Date:	Mon, 04 Jul 2016 17:18:43 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	christophe.jaillet@...adoo.fr
Cc:	igal.liberman@...escale.com, rdunlap@...radead.org,
	standby24x7@...il.com, arnd@...db.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] fsl/fman: fix error handling

From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Date: Mon,  4 Jul 2016 07:46:42 +0200

> This is likely that checking 'fman->fifo_offset' instead of
> 'fman->cam_offset' is expected here.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> 
> The type of 'fifo_offset' may also need to be changed.

Fix the test rather than trying to force it into the error pointer
macro.

If fifo_offset is not a pointer, then change the test to check for
whatever would be appropriate for values returned from
fman_muram_alloc().

This is a very low quality patch submission, you submitted a "fix"
which added a new build warning and made it obvious that something
else is needed as well here.  You even stated that you realized this.