linux-kernel - Re: [PATCH 2/2] um: Use race-free temporary file creation

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Date:	Sun, 29 Nov 2015 00:02:07 +0100
From:	Mickaël Salaün <mic@...ikod.net>
To:	Richard Weinberger <richard@....at>, linux-kernel@...r.kernel.org
Cc:	Jeff Dike <jdike@...toit.com>,
	Tristan Schmelcher <tschmelcher@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	user-mode-linux-devel@...ts.sourceforge.net,
	user-mode-linux-user@...ts.sourceforge.net,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH 2/2] um: Use race-free temporary file creation


>>>> +			errno != EOPNOTSUPP))
>>>> +		return fd;
>>>> +	errno = 0;
>>>
>>> Why are you resetting errno?
>>
>> It's to ignore/reset the error code from open, but it may not be needed because of the next call to malloc?
> 
> But then you'd have to reset errno after every syscall. :-)

OK, I will remove it then :)

 Mickaël


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