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From: Scott Wood <scottwood@freescale.com>
To: tiejun.chen <tiejun.chen@windriver.com>
Cc: B07421@freescale.com, dedekind1@gmail.com, dwmw2@infradead.org,
	B25806@freescale.com, linuxppc-dev@ozlabs.org,
	linux-mtd@lists.infradead.org, akpm@linux-foundation.org,
	B11780@freescale.com
Subject: Re: [PATCH 1/2] P4080/eLBC: Make Freescale elbc interrupt common to elbc	devices
Date: Mon, 18 Oct 2010 11:06:31 -0500	[thread overview]
Message-ID: <20101018110631.22d6f081@udp111988uds.am.freescale.net> (raw)
In-Reply-To: <4CBC0B95.9010300@windriver.com>

On Mon, 18 Oct 2010 16:55:49 +0800
"tiejun.chen" <tiejun.chen@windriver.com> wrote:

> Looks you always iounmap(fsl_lbc_ctrl_dev->regs) on position 'err' but here
> of_iomap() is already failed you should skip iounmap() fsl_lbc_ctrl_dev->regs
> again. So you should improve that as the following on 'err', or layout 'err' in
> gain.
> ------
> 	if(fsl_lbc_ctrl_dev->regs)
> 		iounmap(fsl_lbc_ctrl_dev->regs);
> 

It looks like iounmap(NULL) is a no-op, just like kfree(NULL).

-Scott

  parent reply	other threads:[~2010-10-18 16:06 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-18  7:22 [PATCH 1/2] P4080/eLBC: Make Freescale elbc interrupt common to elbc devices Roy Zang
2010-10-18  7:22 ` [PATCH 2/2] P4080/mtd: Fix the freescale lbc issue with 36bit mode Roy Zang
2010-10-18  8:55 ` [PATCH 1/2] P4080/eLBC: Make Freescale elbc interrupt common to elbc devices tiejun.chen
2010-10-18  9:30   ` Zang Roy-R61911
2010-10-18  9:44     ` tiejun.chen
2010-10-18  9:46       ` tiejun.chen
2010-10-25 14:15         ` David Woodhouse
2010-10-18 16:06   ` Scott Wood [this message]
2010-10-19  1:35     ` tiejun.chen
2010-10-19  6:37     ` Zang Roy-R61911
2010-10-19 13:18 ` Kumar Gala
2010-10-20  5:12   ` Zang Roy-R61911
2010-10-20  6:54     ` Kumar Gala
2010-10-20  8:33       ` Zang Roy-R61911

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