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Re: [Qemu-devel] [PATCH] mirror: drop local_err in mirror_compelte
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH] mirror: drop local_err in mirror_compelte |
Date: |
Tue, 15 Oct 2013 10:14:59 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Mon, 10/14 07:52, Eric Blake wrote:
> On 10/12/2013 12:33 AM, Fam Zheng wrote:
> > There is errp passed in, so no need for local_err and error_propagate.
>
> s/compelte/complete/ in the subject
>
> >
> > Signed-off-by: Fam Zheng <address@hidden>
> > ---
> > block/mirror.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
>
> >
> > diff --git a/block/mirror.c b/block/mirror.c
> > index 7b95acf..f2e9558 100644
> > --- a/block/mirror.c
> > +++ b/block/mirror.c
> > @@ -505,15 +505,13 @@ static void mirror_iostatus_reset(BlockJob *job)
> > static void mirror_complete(BlockJob *job, Error **errp)
> > {
> > MirrorBlockJob *s = container_of(job, MirrorBlockJob, common);
> > - Error *local_err = NULL;
> > int ret;
> >
> > - ret = bdrv_open_backing_file(s->target, NULL, &local_err);
> > + ret = bdrv_open_backing_file(s->target, NULL, errp);
> > if (ret < 0) {
> > char backing_filename[PATH_MAX];
> > bdrv_get_full_backing_filename(s->target, backing_filename,
> > sizeof(backing_filename));
> > - error_propagate(errp, local_err);
> > return;
>
> What purpose does backing_filename serve? It looks like it was rendered
> dead code with the introduction of commit 34b5d2c, and that you could
> simplify further to:
>
> if (bdrv_open_backing_file(s->target, NULL, errp) < 0) {
> return;
> }
>
Good idea, thanks!
Fam