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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:   Sat, 11 May 2019 09:32:12 +0800
From:   Kefeng Wang <>
To:     Jean Delvare <>
CC:     <>, Wolfram Sang <>,
        <>, Hulk Robot <>
Subject: Re: [PATCH 3/3] i2c: i801: avoid panic if ioreamp fails

On 2019/5/10 20:18, Jean Delvare wrote:
> On Fri, 10 May 2019 17:35:46 +0800, Kefeng Wang wrote:
>> On 2019/5/10 16:09, Jean Delvare wrote:
>>> We don't need this anyway. The comment says it can't fail, so why
>>> bother checking for a condition which will never happen?  
>> The ioremap could fails due to no memory, our inner test robot(enable FAULT_INJECTION)
>> find this issue.
> The code only runs on x86 where this specific memory segment is
> standardized for the purpose. That's how we know it "can't fail".
> That being said, maybe it could fail for other reasons (internal kernel
> bug, or bogus BIOS maybe), and I don't care adding the check
> anyway, as this code path is not performance critical.
Got it , please ignore it.

Powered by blists - more mailing lists