From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
reset_control_deassert() could return an error. Some devices cannot work
if reset signal de-assert operation fails. To avoid this check the return
code of reset_control_deassert() in ravb_probe() and take proper action.
Fixes: 0d13a1a464a0 ("ravb: Add reset support")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
---
drivers/net/ethernet/renesas/ravb_main.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index c70cff80cc99..342978bdbd7e 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -2645,7 +2645,12 @@ static int ravb_probe(struct platform_device *pdev)
ndev->features = info->net_features;
ndev->hw_features = info->net_hw_features;
- reset_control_deassert(rstc);
+ error = reset_control_deassert(rstc);
+ if (error) {
+ free_netdev(ndev);
+ return error;
+ }
+
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
--
2.39.2
