[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: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 53c759f..d001202 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c
@@ -2765,6 +2765,7 @@
 		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;
 	}