On Fri, 20 Dec 2013, Sarah Sharp wrote:
> On Thu, Dec 19, 2013 at 11:48:47AM -0800, James Bottomley wrote:
> > It should apply incrementally on top of the previous two. If it
> > actually works, I'll fold it into the first patch.
>
> Well, it doesn't oops anymore, but it does generate a pile of warnings:
This was a simple oversight. scsi_target_reap() was called at the
start of __scsi_remove_device(), but it should be called at the end.
The patch below, applied on top of James's three patches, will fix the
warnings.
Alan Stern
P.S.: The comment isn't entirely correct any more...
Index: usb-3.13/drivers/scsi/scsi_sysfs.c
===================================================================
--- usb-3.13.orig/drivers/scsi/scsi_sysfs.c
+++ usb-3.13/drivers/scsi/scsi_sysfs.c
@@ -1028,13 +1028,6 @@ void __scsi_remove_device(struct scsi_de
{
struct device *dev = &sdev->sdev_gendev;
- /*
- * Paired with the kref_get() in scsi_sysfs_initialize(). We're
- * removing sysfs visibility from the device, so make the target
- * invisible if this was the last device underneath it.
- */
- scsi_target_reap(scsi_target(sdev));
-
if (sdev->is_visible) {
if (scsi_device_set_state(sdev, SDEV_CANCEL) != 0)
return;
@@ -1059,6 +1052,13 @@ void __scsi_remove_device(struct scsi_de
sdev->host->hostt->slave_destroy(sdev);
transport_destroy_device(dev);
+ /*
+ * Paired with the kref_get() in scsi_sysfs_initialize(). We're
+ * removing sysfs visibility from the device, so make the target
+ * invisible if this was the last device underneath it.
+ */
+ scsi_target_reap(scsi_target(sdev));
+
put_device(dev);
}
--
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