[SCSI] be2iscsi: Fixing the return type of functions

Fixing some functions return values that did not match with
the possible return values

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index f94df6c..30a293f 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -423,7 +423,7 @@
 			struct be_queue_info *cq);
 
 int be_poll_mcc(struct be_ctrl_info *ctrl);
-unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
+int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 				      struct beiscsi_hba *phba);
 unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba);
 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);