From: Bradley Grove <bgrove@attotech.com>
Date: Fri, 5 Aug 2022 13:46:09 -0400
Subject: scsi: mpt3sas: Disable MPI2_FUNCTION_FW_DOWNLOAD for ATTO devices
Patch-mainline: v6.1-rc1
Git-commit: f45fadde91ec892fdc453e3df9469e9457152526
References: jsc#PED_1491

Disable firmware download for ATTO devices where it is not supported.

Link: https://lore.kernel.org/r/20220805174609.14830-2-bgrove@attotech.com
Co-developed-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Martin Wilck <mwilck@suse.com>
---
 drivers/scsi/mpt3sas/mpt3sas_ctl.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -948,6 +948,14 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPT
 		break;
 	}
 	case MPI2_FUNCTION_FW_DOWNLOAD:
+	{
+		if (ioc->pdev->vendor == MPI2_MFGPAGE_VENDORID_ATTO) {
+			ioc_info(ioc, "Firmware download not supported for ATTO HBA.\n");
+			ret = -EPERM;
+			break;
+		}
+		fallthrough;
+	}
 	case MPI2_FUNCTION_FW_UPLOAD:
 	{
 		ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma,