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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2012-01-05 10:15:31 -0600
committerJames Bottomley <JBottomley@Parallels.com>2012-01-16 09:47:24 +0400
commit775bf2773858c50d2acfcdf71889984be94e7037 (patch)
treebde361db470dacb057a2a30e4e43798ad4922cbf /drivers/scsi/hpsa.c
parentf2d7e40e8069f0d6b4958dbda4383f412f53c7d1 (diff)
downloadop-kernel-dev-775bf2773858c50d2acfcdf71889984be94e7037.zip
op-kernel-dev-775bf2773858c50d2acfcdf71889984be94e7037.tar.gz
[SCSI] hpsa: do not sleep in atomic context in rmmod path.
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@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 5140f5d..b96962c 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -4271,7 +4271,9 @@ 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);
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