[sheepdog] [Qemu-devel] [PATCH] sheepdog: fix confused return values

[Markus Armbruster]

Liu Yuan <namei.unix at gmail.com> writes:

> On Wed, Feb 25, 2015 at 10:35:17AM +0100, Markus Armbruster wrote:
>> Liu Yuan <namei.unix at gmail.com> writes:
>> 
>> > On Wed, Feb 18, 2015 at 09:35:07AM +0100, Markus Armbruster wrote:
>> >> Liu Yuan <namei.unix at gmail.com> writes:
>> >> 
>> >> > From: Liu Yuan <liuyuan at cmss.chinamobile.com>
>> >> >
>> >> > 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 <armbru at redhat.com>
>> >> > Signed-off-by: Liu Yuan <liuyuan at cmss.chinamobile.com>
>> >> 
>> >> 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!