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xen-blkfront: module exit handling adjustments

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The blkdev major must be released upon exit, or else the module can't
attach to devices using the same majors upon being loaded again. Also
avoid leaking the minor tracking bitmap.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Jan Beulich 2012-04-05 16:04:52 +01:00 committed by Konrad Rzeszutek Wilk
parent e77c78c022
commit 8605067fb9
1 changed files with 3 additions and 1 deletions
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4
drivers/block/xen-blkfront.c
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@ -1500,7 +1500,9 @@ module_init(xlblk_init);
static void __exit xlblk_exit(void)
{
return xenbus_unregister_driver(&blkfront_driver);
xenbus_unregister_driver(&blkfront_driver);
unregister_blkdev(XENVBD_MAJOR, DEV_NAME);
kfree(minors);
}
module_exit(xlblk_exit);