From: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
Don't call kthread_stop with a spin lock held and interrupts
disabled because kthread_stop will sleep waiting for the thread
to stop.
Signed-off-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
---
drivers/scsi/hpsa.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 865d452..a0ba29d 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -4269,7 +4269,9 @@ static void stop_controller_lockup_detector(struct ctlr_info *h)
remove_ctlr_from_lockup_detector_list(h);
/* If the list of ctlr's to monitor is empty, stop the thread */
if (list_empty(&hpsa_ctlr_list)) {
+ spin_unlock_irqrestore(&lockup_detector_lock, flags);
kthread_stop(hpsa_lockup_detector);
+ spin_lock_irqsave(&lockup_detector_lock, flags);
hpsa_lockup_detector = NULL;
}
spin_unlock_irqrestore(&lockup_detector_lock, flags);
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
