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Re: [Qemu-devel] [PATCH] sheepdog: fix confused return values
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH] sheepdog: fix confused return values |
Date: |
Thu, 26 Feb 2015 08:50:41 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
Liu Yuan <address@hidden> writes:
> On Wed, Feb 25, 2015 at 10:35:17AM +0100, Markus Armbruster wrote:
>> Liu Yuan <address@hidden> writes:
>>
>> > On Wed, Feb 18, 2015 at 09:35:07AM +0100, Markus Armbruster wrote:
>> >> Liu Yuan <address@hidden> writes:
>> >>
>> >> > From: Liu Yuan <address@hidden>
>> >> >
>> >> > These functions mix up -1 and -errno in return values and would
>> >> > might cause
>> >> > trouble error handling in the call chain.
>> >> >
>> >> > This patch let them return -errno and add some comments.
>> >> >
>> >> > Reported-by: Markus Armbruster <address@hidden>
>> >> > Signed-off-by: Liu Yuan <address@hidden>
>> >>
>> >> Did you review all functions returning negative errno, or just the two
>> >> that caught my eye?
>> >
>> > Umm, mostly the two you mentioned.
>>
>> I encourage you to review the whole file for this error pattern! In my
>> experience, bugs occur in clusters. When you find one, there's a high
>> chance similar ones exist, and looking for them is good practice.
>
> Hi Markus, I've checked the whole file as possible as I can. I can't find more
> ret mixing bugs.
Thanks!