[SCSI] zfcp: Fix error checking for ELS ADISC requests

Correctly check the status for ELS ADISC requests. 0 means success.

Signed-off-by: Christof Schmitt <[email protected]>
Signed-off-by: Swen Schillig <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
1 file changed