linux-kernel - Re: [PATCH] mtd: orion_nand: Improve error handling in orion_nand

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Message-ID: <20130609191732.GK28112@mwanda>
Date:	Sun, 9 Jun 2013 22:17:32 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Emil Goode <emilgoode@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	artem.bityutskiy@...ux.intel.com, andrew@...n.ch,
	Bill Pemberton <wfp5p@...ginia.edu>,
	Jingoo Han <jg1.han@...sung.com>,
	linux-mtd@...ts.infradead.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] mtd: orion_nand: Improve error handling in
 orion_nand_probe

On Sun, Jun 09, 2013 at 08:15:20PM +0300, Andy Shevchenko wrote:
> On Sun, Jun 9, 2013 at 12:08 PM, Emil Goode <emilgoode@...il.com> wrote:
> > This patch fixes some issues in the error handling and simplifies
> > the code by converting to devm* functions.
> >
> > If the kzalloc call fails it is unnecessary to use the label no_res
> > and pass a NULL pointer to kfree. If the devm_kzalloc call fails on
> > line 110 we forgett to call iounmap for the previous ioremap call.
> 
> "forget" (typo here)
> 
> > The following changes are introduced:
> > - Convert to devm_kzalloc and remove calls to kfree.
> > - Convert to devm_ioremap_resource that adds a missing call to
> >   *request_mem_region and remove calls to iounmap.
> > - The devm_ioremap_resource function checks the passed resource so
> >   we can remove the NULL check after the platform_get_resource call.
> 
> What about another patch (that I guess should go first)  that converts
> printk to dev_* or pr_*?
> 

Huh, what?  Those are two totally unrelated things.  Emil's patch is
a bug fix.

Patches are applied in first come first serve order anyway, so I'm
not sure what you are saying.

regards,
dan carpenter

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