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Re: [Qemu-devel] [PATCH] sheepdog: fix confused return values
From: |
Liu Yuan |
Subject: |
Re: [Qemu-devel] [PATCH] sheepdog: fix confused return values |
Date: |
Thu, 26 Feb 2015 11:54:46 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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.
Yuan