linux-kernel - [PATCH 4.14 39/81] misc: pci_endpoint_test: Fix test_reg_bar to be updated in pci_endpoint

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Message-Id: <20190613075652.221593497@linuxfoundation.org>
Date:   Thu, 13 Jun 2019 10:33:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 39/81] misc: pci_endpoint_test: Fix test_reg_bar to be updated in pci_endpoint_test

[ Upstream commit 8f220664570e755946db1282f48e07f26e1f2cb4 ]

commit 834b90519925 ("misc: pci_endpoint_test: Add support for
PCI_ENDPOINT_TEST regs to be mapped to any BAR") while adding
test_reg_bar in order to map PCI_ENDPOINT_TEST regs to be mapped to any
BAR failed to update test_reg_bar in pci_endpoint_test, resulting in
test_reg_bar having invalid value when used outside probe.

Fix it.

Fixes: 834b90519925 ("misc: pci_endpoint_test: Add support for PCI_ENDPOINT_TEST regs to be mapped to any BAR")
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/misc/pci_endpoint_test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index e089bb6dde3a..9849bf183299 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -479,6 +479,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
 	data = (struct pci_endpoint_test_data *)ent->driver_data;
 	if (data) {
 		test_reg_bar = data->test_reg_bar;
+		test->test_reg_bar = test_reg_bar;
 		test->alignment = data->alignment;
 		no_msi = data->no_msi;
 	}
-- 
2.20.1