This is a single fix for the queue refcounting oops we were debugging
just before 3.0-rc1 was released. Jens is still working on the DEAD
queue guard bit.
The patch is available here:
master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6.git
The short changelog is:
James Bottomley (1):
Fix oops caused by queue refcounting failure
The diffstat is:
drivers/scsi/scsi_scan.c | 2 +-
drivers/scsi/scsi_sysfs.c | 1 +
2 files changed, 2 insertions(+), 1 deletions(-)
And the full patch is below.
James
---
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 58584dc..44e8ca3 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -297,7 +297,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
kfree(sdev);
goto out;
}
-
+ blk_get_queue(sdev->request_queue);
sdev->request_queue->queuedata = sdev;
scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index e639125..e0bd3f7 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -322,6 +322,7 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work)
kfree(evt);
}
+ blk_put_queue(sdev->request_queue);
/* NULL queue means the device can't be used */
sdev->request_queue = NULL;
--
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