[SCSI] qla2xxx: Properly set the dsd_list_len for dsd_chaining in cmd type 6.

The firmware spec has the fcp_data_dseg_len defined as a 32-bit
value, while the corresponding field in the driver structure has
it defined as a 16-bit value.

Cc: stable@kernel.org
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Cc: stable@kernel.org
Signed-off-by: James Bottomley <jbottomley@parallels.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/qla2xxx/qla_fw.h

@@ -416,8 +416,7 @@ struct cmd_type_6 {
 	uint8_t vp_index;
 
 	uint32_t fcp_data_dseg_address[2];	/* Data segment address. */
-	uint16_t fcp_data_dseg_len;		/* Data segment length. */
-	uint16_t reserved_1;			/* MUST be set to 0. */
+	uint32_t fcp_data_dseg_len;		/* Data segment length. */
 };
 
 #define COMMAND_TYPE_7	0x18		/* Command Type 7 entry */

drivers/scsi/qla2xxx/qla_nx.c

@@ -2563,11 +2563,11 @@ qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
 			dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
 			*dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
 			*dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
-			cmd_pkt->fcp_data_dseg_len = dsd_list_len;
+			*dsd_seg++ = cpu_to_le32(dsd_list_len);
 		} else {
 			*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
 			*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
-			*cur_dsd++ = dsd_list_len;
+			*cur_dsd++ = cpu_to_le32(dsd_list_len);
 		}
 		cur_dsd = (uint32_t *)next_dsd;
 		while (avail_dsds) {