linux-kernel - [PATCH 5.4 058/215] net: macb: call pm_runtime_put

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Message-Id: <20200720152822.973921309@linuxfoundation.org>
Date:   Mon, 20 Jul 2020 17:35:40 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 058/215] net: macb: call pm_runtime_put_sync on failure path

[ Upstream commit 0eaf228d574bd82a9aed73e3953bfb81721f4227 ]

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@...rochip.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/cadence/macb_main.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 01ed4d4296db2..a5c4d4d66df35 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -3708,7 +3708,7 @@ 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)	|
@@ -3725,6 +3725,10 @@ static int at91ether_open(struct net_device *dev)
 	netif_start_queue(dev);
 
 	return 0;
+
+pm_exit:
+	pm_runtime_put_sync(&lp->pdev->dev);
+	return ret;
 }
 
 /* Close the interface */
-- 
2.25.1