netdev - [PATCH V5 3/3] can: flexcan: disable runtime PM if register flexcandev failed

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Date:   Wed, 30 Sep 2020 05:15:57 +0800
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     mkl@...gutronix.de, linux-can@...r.kernel.org
Cc:     netdev@...r.kernel.org, linux-imx@....com
Subject: [PATCH V5 3/3] can: flexcan: disable runtime PM if register flexcandev failed

Disable runtime PM if register flexcandev failed, and balance reference
of usage_count.

Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
---
ChangeLogs:
V1->V5:
	* no changes.
---
 drivers/net/can/flexcan.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 1ab12774cbbb..f32660fee92c 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -2055,6 +2055,8 @@ static int flexcan_probe(struct platform_device *pdev)
 	return 0;
 
  failed_register:
+	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 	free_candev(dev);
 	return err;
 }
-- 
2.17.1