linux-kernel - [PATCH] EDAC, thunderx: Fix an error handling path in 'thunderx_lmc

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Message-Id: <20170816045821.14165-1-christophe.jaillet@wanadoo.fr>
Date:   Wed, 16 Aug 2017 06:58:21 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     ralf@...ux-mips.org, david.daney@...ium.com, bp@...en8.de,
        mchehab@...nel.org
Cc:     linux-edac@...r.kernel.org, linux-mips@...ux-mips.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] EDAC, thunderx: Fix an error handling path in 'thunderx_lmc_probe()'

'ret' is known to be 0 at this point.
If 'ioremap()' fails, returns -ENOMEM instead of 0 which means success.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/edac/thunderx_edac.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/edac/thunderx_edac.c b/drivers/edac/thunderx_edac.c
index c8e8b9fd4772..00b89f057695 100644
--- a/drivers/edac/thunderx_edac.c
+++ b/drivers/edac/thunderx_edac.c
@@ -779,6 +779,7 @@ static int thunderx_lmc_probe(struct pci_dev *pdev,
 
 	if (!l2c_ioaddr) {
 		dev_err(&pdev->dev, "Cannot map L2C_CTL\n");
+		ret = -ENOMEM;
 		goto err_free;
 	}
 
-- 
2.11.0