[PATCH v2 1/2] net: macb: call pm_runtime_put_sync on failure path

[Claudiu Beznea <claudiu.beznea@microchip.com>]

Call pm_runtime_put_sync() on failure path of at91ether_open.

Fixes: e6a41c23df0d ("net: macb: ensure interface is not suspended on at91rm9200")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---

Changes in v2:
- this patch is new in v2
- patch 2/2 in this series is based on this one

 drivers/net/ethernet/cadence/macb_main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 67933079aeea..96d62d73b933 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3835,7 +3835,7 @@ static int at91ether_open(struct net_device *dev)
 
 	ret = at91ether_start(dev);
 	if (ret)
-		return ret;
+		goto pm_exit;
 
 	/* Enable MAC interrupts */
 	macb_writel(lp, IER, MACB_BIT(RCOMP)	|
@@ -3848,11 +3848,15 @@ static int at91ether_open(struct net_device *dev)
 
 	ret = macb_phylink_connect(lp);
 	if (ret)
-		return ret;
+		goto pm_exit;
 
 	netif_start_queue(dev);
 
 	return 0;
+
+pm_exit:
+	pm_runtime_put_sync(&lp->pdev->dev);
+	return ret;
 }
 
 /* Close the interface */
-- 
2.7.4