Lock the device embedded in the scsi_device to protect against
concurrent calls to ->remove.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: NHannes Reinecke <hare@suse.de>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>