ibmvscsi: use H_CLOSED instead of magic number

In a couple places the magic value of 2 is used to check the return code
of hypercalls. This translates to H_CLOSED.

Signed-off-by: Tyrel Datwyler <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
1 file changed