Re: [PATCH] dmaengine: idxd: Fix a possible NULL pointer dereference

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To: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Subject: Re: [PATCH] dmaengine: idxd: Fix a possible NULL pointer dereference
From: Vinod Koul <vkoul@xxxxxxxxxx>
Date: Mon, 2 Aug 2021 12:35:18 +0530
Cc: dave.jiang@xxxxxxxxx, dan.j.williams@xxxxxxxxx, dmaengine@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, kernel-janitors@xxxxxxxxxxxxxxx
In-reply-to: <77f0dc4f3966591d1f0cffb614a94085f8895a85.1627560174.git.christophe.jaillet@wanadoo.fr>
References: <77f0dc4f3966591d1f0cffb614a94085f8895a85.1627560174.git.christophe.jaillet@wanadoo.fr>

On 29-07-21, 14:04, Christophe JAILLET wrote:
> 'device_driver_attach()' dereferences its first argument (i.e. 'alt_drv')
> so it must not be NULL.
> Simplify the error handling logic about NULL 'alt_drv' in order to be
> more robust and future-proof.

Applied, thanks

-- 
~Vinod

References:
- [PATCH] dmaengine: idxd: Fix a possible NULL pointer dereference
  - From: Christophe JAILLET

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