linux-kernel - BUG in: Driver core: convert block from raw kobjects to core devices

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Date:	Thu, 18 Oct 2007 15:23:49 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Kay Sievers <kay.sievers@...y.org>, Greg KH <greg@...ah.com>
cc:	Kernel development list <linux-kernel@...r.kernel.org>
Subject: BUG in: Driver core: convert block from raw kobjects to core devices

This patch (as1004) fixes a refcounting bug in the development version
of the block-device core.

Signed-off-by: Alan Stern <stern@...land.harvard.edu>

---

Kay, you have got to start testing your patches better!  Finding and
fixing refcount errors is _not_ one of my favorite ways to pass the
time.  For example, you could see what happens when you insert and
unplug a USB flash disk a few times.

Greg, you'll probably want to just fold this in with Kay's 
block-device.patch.

Alan Stern

Index: usb-2.6/fs/partitions/check.c
===================================================================
--- usb-2.6.orig/fs/partitions/check.c
+++ usb-2.6/fs/partitions/check.c
@@ -516,5 +516,4 @@ void del_gendisk(struct gendisk *disk)
 	sysfs_remove_link(&block_depr, disk->dev.bus_id);
 #endif
 	device_del(&disk->dev);
-	put_device(&disk->dev);
 }

-
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