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Message-ID: <20180917030340.378-50-alexander.levin@microsoft.com>
Date:   Mon, 17 Sep 2018 03:04:14 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.9 50/57] scsi: megaraid_sas: Update controller info
 during resume

From: Shivasharan S <shivasharan.srikanteshwara@...adcom.com>

[ Upstream commit c3b10a55abc943a526aaecd7e860b15671beb906 ]

There is a possibility that firmware on the controller was upgraded before
system was suspended. During resume, driver needs to read updated
controller properties.

Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@...adcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 35cbd36f8d3b..090fdcdd15c9 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6193,6 +6193,9 @@ megasas_resume(struct pci_dev *pdev)
 			goto fail_init_mfi;
 	}
 
+	if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS)
+		goto fail_init_mfi;
+
 	tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
 		     (unsigned long)instance);
 
-- 
2.17.1

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