[SCSI] zfcp: non-experimental support for DIF/DIX

DIF/DIX support for zfcp is no longer experimental,
and config option is no longer necessary.
Return error from queuecommand for unsupported data directions.

Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 7cac873c7383..96c31a70445f 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -24,11 +24,8 @@ module_param_named(queue_depth, default_depth, uint, 0600);
 MODULE_PARM_DESC(queue_depth, "Default queue depth for new SCSI devices");
 
 static bool enable_dif;
-
-#ifdef CONFIG_ZFCP_DIF
-module_param_named(dif, enable_dif, bool, 0600);
+module_param_named(dif, enable_dif, bool, 0400);
 MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support");
-#endif
 
 static bool allow_lun_scan = 1;
 module_param(allow_lun_scan, bool, 0600);