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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-27 00:54:47 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-07-27 00:54:47 -0700
commitaa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece (patch)
tree3f9e98fadd5124fb05e8f6f9b06aa23698d4f215 /drivers/scsi/scsi_sysfs.c
parentcca8edfd2ec2a34d9f50f593bc753bb11e1bc1f5 (diff)
parent3c6b50141ef9f0a8844bf1357b80c0cdf518bf05 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
-rw-r--r--drivers/scsi/scsi_sysfs.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index e44ff64233f..e0bd3f790fc 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -322,14 +322,9 @@ static void scsi_device_dev_release_usercontext(struct work_struct *work)
kfree(evt);
}
- if (sdev->request_queue) {
- sdev->request_queue->queuedata = NULL;
- /* user context needed to free queue */
- scsi_free_queue(sdev->request_queue);
- /* temporary expedient, try to catch use of queue lock
- * after free of sdev */
- sdev->request_queue = NULL;
- }
+ blk_put_queue(sdev->request_queue);
+ /* NULL queue means the device can't be used */
+ sdev->request_queue = NULL;
scsi_target_reap(scsi_target(sdev));
@@ -937,6 +932,12 @@ void __scsi_remove_device(struct scsi_device *sdev)
if (sdev->host->hostt->slave_destroy)
sdev->host->hostt->slave_destroy(sdev);
transport_destroy_device(dev);
+
+ /* cause the request function to reject all I/O requests */
+ sdev->request_queue->queuedata = NULL;
+
+ /* Freeing the queue signals to block that we're done */
+ scsi_free_queue(sdev->request_queue);
put_device(dev);
}