Solaris 11.1 st mode select

HP LTO Ultrium tape drives
technical reference manual
Volume 3: Host interface guide
LTO 4 drives
Edition 1, June 2007

Mode Select 15/55, page 94:
PF Page Format
0 The MODE SELECT parameter data is not SCSI-2 mode page compatible. Only
the parameter header and block descriptor may be sent.
1 The parameter data is SCSI-2 mode-page compatible.

Signed-off-by: Mark Harvey <markh794@gmail.com>

usr/ssc.c

@@ -803,11 +803,6 @@ uint8_t ssc_mode_select(struct scsi_cmd *cmd)
 	MHVTL_DBG(1, "MODE SELECT (%ld) **", (long)cmd->dbuf_p->serialNo);
 	MHVTL_DBG(1, " Save Pages: %d, Page Format: %d", save_pages, page_format);
 
-	if (!page_format) { /* Page Format: 1 - SPC, 0 - vendor uniq */
-		mkSenseBuf(ILLEGAL_REQUEST, E_INVALID_FIELD_IN_CDB, sam_stat);
-		return SAM_STAT_CHECK_CONDITION;
-	}
-
 	switch (cmd->scb[0]) {
 	case MODE_SELECT:
 		block_descriptor_sz = buf[3];
@@ -844,6 +839,11 @@ uint8_t ssc_mode_select(struct scsi_cmd *cmd)
 		return SAM_STAT_GOOD;
 	}
 
+	if (!page_format) { /* Page Format: 1 - SPC, 0 - vendor uniq */
+		mkSenseBuf(ILLEGAL_REQUEST, E_INVALID_FIELD_IN_CDB, sam_stat);
+		return SAM_STAT_CHECK_CONDITION;
+	}
+
 #ifdef MHVTL_DEBUG
 	if (debug)
 		hex_dump(buf, cmd->dbuf_p->sz);