linux-kernel - [PATCH] EDAC, altera: Fix an error handling path in 'mv64x60_pci_err

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Date:   Sun, 10 Jun 2018 17:34:23 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     thor.thayer@...ux.intel.com, bp@...en8.de, mchehab@...nel.org
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] EDAC, altera: Fix an error handling path in 'mv64x60_pci_err_probe()'

IF 'regmap_write()' fails, we should release some resources as done in all
the other error handling paths of the function.

Fixes: e9918d7fafae ("EDAC, altera: Handle SDRAM Uncorrectable Errors on Stratix10")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/edac/altera_edac.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index d0d5c4dbe097..5762c3c383f2 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -730,7 +730,8 @@ static int altr_s10_sdram_probe(struct platform_device *pdev)
 			 S10_DDR0_IRQ_MASK)) {
 		edac_printk(KERN_ERR, EDAC_MC,
 			    "Error clearing SDRAM ECC count\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto err2;
 	}
 
 	if (regmap_update_bits(drvdata->mc_vbase, priv->ecc_irq_en_offset,
-- 
2.17.0