From: Joakim Zhang <qiangqing.zhang@nxp.com>
Date: Wed, 30 Sep 2020 05:15:57 +0800
Subject: can: flexcan: disable runtime PM if register flexcandev failed

Git-commit: 5a9323f55d52c9246ce85f2c9c6a8ec45413b1d0
Patch-mainline: v5.10-rc1
References: jsc#SLE-12251

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

Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com>
Link: https://lore.kernel.org/r/20200929211557.14153-4-qiangqing.zhang@nxp.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>
---
 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 9cf1de42f428..fbdd9a8c9374 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -2057,6 +2057,8 @@ 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;
 }
-- 
2.26.2