From: James Bottomley <JBottomley@Parallels.com>
Date: Tue, 2 Jul 2013 13:05:26 +0000 (+0200)
Subject: [SCSI] Fix race between starved list and device removal
X-Git-Tag: v3.11-rc1~6^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2eb7244bc9e4fd130fc8a961224968e22ba48ee;p=pandora-kernel.git

[SCSI] Fix race between starved list and device removal

scsi_run_queue() examines all SCSI devices that are present on
the starved list. Since scsi_run_queue() unlocks the SCSI host
lock a SCSI device can get removed after it has been removed
from the starved list and before its queue is run. Protect
against that race condition by holding a reference on the
queue while running it.

Reported-by: Chanho Min <chanho.min@lge.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

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