linux-kernel - Re: [PATCH 15/15] block: Add FIXME comment to handle device_add

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Message-ID: <20160818023633.GC500@swordfish>
Date:	Thu, 18 Aug 2016 11:36:33 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Fam Zheng <famz@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
	Keith Busch <keith.busch@...el.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linuxppc-dev@...ts.ozlabs.org,
	"Michael S. Tsirkin" <mst@...hat.com>, linux-block@...r.kernel.org,
	Brian Norris <computersforpeace@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	linux-mtd@...ts.infradead.org, "Ed L. Cashin" <ed.cashin@....org>,
	Jens Axboe <axboe@...nel.dk>, Minchan Kim <minchan@...nel.org>,
	virtualization@...ts.linux-foundation.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Nitin Gupta <ngupta@...are.org>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 15/15] block: Add FIXME comment to handle device_add_disk
 error

On (08/17/16 15:15), Fam Zheng wrote:
[..]
>   (
>     rc = device_add_disk(e1, e2, e3);
>   |
>   + /* FIXME: handle error. */
>     device_add_disk(e1, e2, e3);

or use __must_check for device_add_disk() function?
/* which is _attribute__((warn_unused_result)) */

	-ss