linux-kernel - Re: [PATCH v3] block: wrong return value

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Message-ID: <544FD1CF.5000505@kernel.dk>
Date:	Tue, 28 Oct 2014 11:26:39 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] block: wrong return value

On 2014-10-28 11:22, Sudip Mukherjee wrote:
> On Thu, Oct 23, 2014 at 10:16:48PM +0530, Sudip Mukherjee wrote:
>> while compiling integer err was showing as a set but unused variable.
>> elevator_init_fn can be either cfq_init_queue or deadline_init_queue
>> or noop_init_queue.
>> all three of these functions are returning -ENOMEM if they fail to
>> allocate the queue.
>> so we should actually be returning the error code rather than
>> returning 0 always.
> i have one doubt. shouldn't this patch be marked for stable also?

It would not hurt to mark it as stable, but on the other hand, this 
probably never triggered a problem for anyone. So it's not a critical 
fix by any stretch.

-- 
Jens Axboe

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