[SCSI] qla4xxx: Return error if minidump data collection fails

Return error from function qla4_8xxx_collect_md_data()
if minidump data collection fails.
Signed-off-by: NVikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla4xxx/ql4_nx.c

@@ -2765,6 +2765,7 @@ static int qla4_8xxx_collect_md_data(struct scsi_qla_host *ha)
 		ql4_printk(KERN_INFO, ha,
 			   "Dump data mismatch: Data collected: [0x%x], total_data_size:[0x%x]\n",
 			   data_collected, ha->fw_dump_size);
+		rval = QLA_ERROR;
 		goto md_failed;
 	}