s390/scm: reorder scm_remove

Do not reset drvdata before the block device is cleaned up. With a
non-empty block queue drvdata could be accessed.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
1 file changed