linux-kernel - [PATCH 5.0 065/101] staging: vc04_services: Fix an error code in vchiq

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Message-Id: <20190502143344.215736031@linuxfoundation.org>
Date:   Thu,  2 May 2019 17:21:07 +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, Dan Carpenter <dan.carpenter@...cle.com>,
        Stefan Wahren <stefan.wahren@...e.com>,
        "Sasha Levin (Microsoft)" <sashal@...nel.org>
Subject: [PATCH 5.0 065/101] staging: vc04_services: Fix an error code in vchiq_probe()

[ Upstream commit 9b9c87cf51783cbe7140c51472762094033cfeab ]

We need to set "err" on this error path.

Fixes: 187ac53e590c ("staging: vchiq_arm: rework probe and init functions")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Stefan Wahren <stefan.wahren@...e.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin (Microsoft) <sashal@...nel.org>
---
 .../staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
index 804daf83be35..064d0db4c51e 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
@@ -3513,6 +3513,7 @@ static int vchiq_probe(struct platform_device *pdev)
 	struct device_node *fw_node;
 	const struct of_device_id *of_id;
 	struct vchiq_drvdata *drvdata;
+	struct device *vchiq_dev;
 	int err;
 
 	of_id = of_match_node(vchiq_of_match, pdev->dev.of_node);
@@ -3547,9 +3548,12 @@ static int vchiq_probe(struct platform_device *pdev)
 		goto failed_platform_init;
 	}
 
-	if (IS_ERR(device_create(vchiq_class, &pdev->dev, vchiq_devid,
-				 NULL, "vchiq")))
+	vchiq_dev = device_create(vchiq_class, &pdev->dev, vchiq_devid, NULL,
+				  "vchiq");
+	if (IS_ERR(vchiq_dev)) {
+		err = PTR_ERR(vchiq_dev);
 		goto failed_device_create;
+	}
 
 	vchiq_debugfs_init();
 
-- 
2.19.1