From: Saurav Kashyap <skashyap@marvell.com>
Date: Tue, 10 Aug 2021 04:37:17 +0000 (-0700)
Subject: scsi: qla2xxx: Changes to support kdump kernel
X-Git-Tag: baikal/aarch64/sdk5.9~6869
X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=3c00a3cc078ed1ab1050f81e4a8c5df6728d299a;p=kernel.git

scsi: qla2xxx: Changes to support kdump kernel

commit 62e0dec59c1e139dab55aff5aa442adc97804271 upstream.

Avoid allocating firmware dump and only allocate a single queue for a kexec
kernel.

Link: https://lore.kernel.org/r/20210810043720.1137-12-njavali@marvell.com
Cc: stable@vger.kernel.org
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 052ce78814075..28cbefe715e59 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/blk-mq-pci.h>
 #include <linux/refcount.h>
+#include <linux/crash_dump.h>
 
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsicam.h>
@@ -2799,6 +2800,11 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 			return ret;
 	}
 
+	if (is_kdump_kernel()) {
+		ql2xmqsupport = 0;
+		ql2xallocfwdump = 0;
+	}
+
 	/* This may fail but that's ok */
 	pci_enable_pcie_error_reporting(pdev);