Re: block: free q->flush_rq in blk_init_allocated_queue error paths.

From: Jens Axboe
Date: Thu Mar 20 2014 - 10:34:22 EST


On 03/19/2014 01:22 PM, Mike Snitzer wrote:
On Wed, Mar 19 2014 at 3:12pm -0400,
Dave Jones <davej@xxxxxxxxxx> wrote:

Commit 7982e90c3a ("block: fix q->flush_rq NULL pointer crash on dm-mpath flush")
moved an allocation to blk_init_allocated_queue(), but neglected to free
that allocation on the error paths that follow.

Signed-off-by: Dave Jones <davej@xxxxxxxxxxxxxxxxx>

Ngh.. thanks Dave!

/me hangs his head in shame...

Acked-by: Mike Snitzer <snitzer@xxxxxxxxxx>

Jens, really sorry about this oversight. I can take it on the chin and
pick this up for Linus to take this week from linux-dm.git. Your call.

No worries, I'll shove it off to Linus today. Then I can punch you on the chin next week.

--
Jens Axboe

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