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Subject[PATCH 4.18 119/228] EDAC, altera: Fix an error handling path in altr_s10_sdram_probe()
Date
4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

[ Upstream commit 9d72fe1ce81bc757ecb6d57b58e5fd95b9ad1b26 ]

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

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180610174532.22071-1-christophe.jaillet@wanadoo.fr
Fixes: e9918d7fafae ("EDAC, altera: Handle SDRAM Uncorrectable Errors on Stratix10")
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/edac/altera_edac.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -730,7 +730,8 @@ static int altr_s10_sdram_probe(struct p
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,

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