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From: Tejun Heo <tj@kernel.org>
To: Suman Tripathi <stripathi@apm.com>
Cc: Olof Johansson <olof@lixom.net>, Arnd Bergmann <arnd@arndb.de>,
	Linux SCSI List <linux-scsi@vger.kernel.org>,
	"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	Don Dutile <ddutile@redhat.com>, Jon Masters <jcm@redhat.com>,
	patches@apm.com, Loc Ho <lho@apm.com>
Subject: Re: [PATCH] ahci_xgene: Fix the error print invalid resource for APM X-Gene SoC AHCI SATA Host Controller driver.
Date: Sun, 14 Sep 2014 18:39:11 +0900	[thread overview]
Message-ID: <20140914093911.GB9028@mtj.dyndns.org> (raw)
In-Reply-To: <CAOHikRA8LiNkMuzqe-Kgrf4QWbJ_jpXRGHdf+rsrCmq6R0GjDg@mail.gmail.com>

Hello,

On Sun, Sep 14, 2014 at 11:36:51AM +0530, Suman Tripathi wrote:
> We can  maintain same piece (IS_ERR(ctx->csr_mux)), then we can do the
> below instead of NULL ??
> 
> ctx->csr_mux = res ? devm_ioremap_resource(dev, res) : ERR_PTR(-EINVAL);

Setting it to NULL on failure would probably make more sense.  No need
to carry around ERR_PTR() value around.

Thanks.

-- 
tejun

  parent reply	other threads:[~2014-09-14  9:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-12  7:54 [PATCH] ahci_xgene: Fix the error print invalid resource for APM X-Gene SoC AHCI SATA Host Controller driver Suman Tripathi
2014-09-12  7:54 ` Suman Tripathi
2014-09-12 17:50   ` Tejun Heo
     [not found]     ` <CAOHikRA8LiNkMuzqe-Kgrf4QWbJ_jpXRGHdf+rsrCmq6R0GjDg@mail.gmail.com>
2014-09-14  9:39       ` Tejun Heo [this message]
     [not found]         ` <CAOHikRAFM-FETGGXroNV39Yi-jChMA-W37ufhiMx4O2WgWpxFg@mail.gmail.com>
     [not found]           ` <CAOHikRDdfKTxCXHGsywP+c8=1eLmMCf3fuC2pmH2WH-6ymHMAA@mail.gmail.com>
2014-09-15  7:44             ` Tejun Heo
     [not found]               ` <20140915074452.GC11267-9pTldWuhBndy/B6EtB590w@public.gmane.org>
2014-09-15  8:49                 ` Russell King - ARM Linux
     [not found] <1411390893-22911-1-git-send-email-stripathi@apm.com>
2014-09-22 13:01 ` Suman Tripathi
2014-09-23 14:22   ` Tejun Heo

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