lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 27 Aug 2020 09:37:37 +0800
From:   Tang Bin <>
To:     Mark Brown <>
Subject: Re: [PATCH] ASoC: fsl_spdif: Fix unnecessary check

Hi Mark

在 2020/8/27 0:53, Mark Brown 写道:
> On Wed, Aug 26, 2020 at 11:09:18PM +0800, Tang Bin wrote:
>> The function fsl_spdif_probe() is only called with an openfirmware
>> platform device. Therefore there is no need to check that the passed
>> in device is NULL.
> Why is this an issue - the check will make things more robust if someone
> manages to load the driver on a non-DT system and otherwise costs us a
> couple of instructions?
Thanks for your reply.

In this function,  function fsl_spdif_probe() can be triggered only if 
the platform_device and platform_driver matches,

so I think the judgement at the beginning is redundant.


Tang Bin

Powered by blists - more mailing lists