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From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: sagi@grimberg.me, linux-nvme@lists.infradead.org,
	Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>,
	hch@lst.de
Subject: Re: [V3 1/4] nvmet: set right status on error in id-ns handler
Date: Wed, 13 Jan 2021 19:34:25 +0100	[thread overview]
Message-ID: <20210113183425.GA19474@lst.de> (raw)
In-Reply-To: <20210112214801.GA1505636@dhcp-10-100-145-180.wdc.com>

On Tue, Jan 12, 2021 at 01:48:01PM -0800, Keith Busch wrote:
> On Tue, Jan 12, 2021 at 01:14:07PM -0800, Chaitanya Kulkarni wrote:
> > @@ -541,7 +543,9 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req)
> >  		id->nsattr |= (1 << 0);
> >  	nvmet_put_namespace(ns);
> >  done:
> > -	status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id));
> > +	if (nvmet_copy_to_sgl(req, 0, id, sizeof(*id)) && !status)
> > +		status = NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR;
> 
> If the status is already in error, you don't need to copy out the
> blank struct, right? Shouldn't this be like:
> 
> 	if (!status)
> 		status = nvmet_copy_to_sgl(req, 0, id, sizeof(*id));

Yes.

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  reply	other threads:[~2021-01-13 18:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 21:14 [V3 0/4] nvmet: admin-cmd related cleanups and a fix Chaitanya Kulkarni
2021-01-12 21:14 ` [V3 1/4] nvmet: set right status on error in id-ns handler Chaitanya Kulkarni
2021-01-12 21:48   ` Keith Busch
2021-01-13 18:34     ` Christoph Hellwig [this message]
2021-01-12 21:14 ` [V3 2/4] nvmet: remove extra variable in smart log nsid Chaitanya Kulkarni
2021-01-13 22:04   ` Sagi Grimberg
2021-01-12 21:14 ` [V3 3/4] nvmet: remove extra variable in id-desclist Chaitanya Kulkarni
2021-01-13 22:06   ` Sagi Grimberg
2021-01-12 21:14 ` [V3 4/4] nvmet: remove extra variable in identify ns Chaitanya Kulkarni
2021-01-13 22:06   ` Sagi Grimberg

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