Re: [V1] ata: sata_mv:- Handle return value of devm_ioremap.

From	Tejun Heo <tj@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [V1] ata: sata_mv:- Handle return value of devm_ioremap.
Date	2017-01-06 21:50 +0100
Message-ID	<sWJCx-7a6-1@gated-at.bofh.it> (permalink)
References	<sNCTD-7fH-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, Dec 12, 2016 at 11:13:27PM +0530, Arvind Yadav wrote:
> Here, If devm_ioremap will fail. It will return NULL.
> Then hpriv->base = NULL - 0x20000; Kernel can run into
> a NULL-pointer dereference. This error check will avoid
> NULL pointer dereference.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>

Applied to libata/for-4.10-fixes.

Thanks.

-- 
tejun

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Re: [V1] ata: sata_mv:- Handle return value of devm_ioremap. Tejun Heo <tj@kernel.org> - 2017-01-06 21:50 +0100
  Re: [V1] ata: sata_mv:- Handle return value of devm_ioremap. Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-07 00:00 +0100
    Re: [V1] ata: sata_mv:- Handle return value of devm_ioremap. Tejun Heo <tj@kernel.org> - 2017-01-08 19:50 +0100
      Re: [V1] ata: sata_mv:- Handle return value of devm_ioremap. Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-01-08 23:20 +0100

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