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Date: Mon, 17 Feb 2014 14:20:10 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v2 09/20] cow: correctly propagate errors
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To: Fam Zheng <famz@redhat.com>, Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Jeff Cody <jcody@redhat.com>, qemu-devel@nongnu.org

Il 17/02/2014 14:15, Fam Zheng ha scritto:
> Does this mean that error_is_set() is always used by programmer to check a
> non-NULL error pointer? Is there any case to call error_is_set(errp) without
> knowing if errp is NULL or not? If no, should we enforce the rule and add
> assert(errp) in error_is_set()?

I think we shouldn't need error_is_set() at all...

Paolo