[PATCH] EDAC, altera: Fix an error handling path in 'altr_edac_device_probe()'

From: Christophe JAILLET
Date: Wed Aug 16 2017 - 01:05:31 EST


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

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/edac/altera_edac.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index fa2e5db56d24..346c4987b284 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -747,8 +747,10 @@ static int altr_edac_device_probe(struct platform_device *pdev)
drvdata->edac_dev_name = ecc_name;

drvdata->base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
- if (!drvdata->base)
+ if (!drvdata->base) {
+ res = -ENOMEM;
goto fail1;
+ }

/* Get driver specific data for this EDAC device */
drvdata->data = of_match_node(altr_edac_device_of_match, np)->data;
--
2.11.0