EDAC, altera: Fix error handling path in altr_edac_device_probe()

Return the proper error value if devm_ioremap() fails (and not 0).

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170816050506.14541-1-christophe.jaillet@wanadoo.fr
[ Massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>

1 files changed, 3 insertions, 1 deletions

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;