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34 lines
1.0 KiB
34 lines
1.0 KiB
From 8605067fb9b8e34aecf44ec258657c9cc009fc5a Mon Sep 17 00:00:00 2001
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From: Jan Beulich <JBeulich@suse.com>
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Date: Thu, 5 Apr 2012 16:04:52 +0100
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Subject: [PATCH 1/3] xen-blkfront: module exit handling adjustments
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The blkdev major must be released upon exit, or else the module can't
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attach to devices using the same majors upon being loaded again. Also
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avoid leaking the minor tracking bitmap.
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Signed-off-by: Jan Beulich <jbeulich@suse.com>
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Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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---
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drivers/block/xen-blkfront.c | 4 +++-
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1 files changed, 3 insertions(+), 1 deletions(-)
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diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
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index 4f2b460..60eed4b 100644
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--- a/drivers/block/xen-blkfront.c
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+++ b/drivers/block/xen-blkfront.c
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@@ -1500,7 +1500,9 @@ module_init(xlblk_init);
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static void __exit xlblk_exit(void)
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{
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- return xenbus_unregister_driver(&blkfront_driver);
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+ xenbus_unregister_driver(&blkfront_driver);
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+ unregister_blkdev(XENVBD_MAJOR, DEV_NAME);
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+ kfree(minors);
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}
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module_exit(xlblk_exit);
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--
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1.7.4.4
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