linux-kernel - [PATCH] mcb: Do not return zero on error path in mcb_pci

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Message-Id: <1445117635-7513-1-git-send-email-khoroshilov@ispras.ru>
Date:	Sun, 18 Oct 2015 00:33:55 +0300
From:	Alexey Khoroshilov <khoroshilov@...ras.ru>
To:	Johannes Thumshirn <morbidrsa@...il.com>
Cc:	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: [PATCH] mcb: Do not return zero on error path in mcb_pci_probe()

There is an error path in mcb_pci_probe() where
it returns zero instead of error code.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
---
 drivers/mcb/mcb-pci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mcb/mcb-pci.c b/drivers/mcb/mcb-pci.c
index 051645498b53..67d5e7d08df6 100644
--- a/drivers/mcb/mcb-pci.c
+++ b/drivers/mcb/mcb-pci.c
@@ -51,6 +51,7 @@ static int mcb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	priv->mapbase = pci_resource_start(pdev, 0);
 	if (!priv->mapbase) {
 		dev_err(&pdev->dev, "No PCI resource\n");
+		ret = -ENODEV;
 		goto out_disable;
 	}
 
-- 
1.9.1

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