From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 23 Oct 2014 15:57:19 +0000 (+0300)
Subject: virtio_blk: fix race at module removal
X-Git-Tag: omap-for-v3.19/fixes-rc1~129^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38f37b578f7d62a827d6f42e21d55bf428f9af8e;p=pandora-kernel.git

virtio_blk: fix race at module removal

If a device appears while module is being removed,
driver will get a callback after we've given up
on the major number.

In theory this means this major number can get reused
by something else, resulting in a conflict.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
---

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