diff mbox series

[4.19,245/346] pwm: zx: Add missing cleanup in error path

Message ID 20201228124931.617592311@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Dec. 28, 2020, 12:49 p.m. UTC 
From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

[ Upstream commit 269effd03f6142df4c74814cfdd5f0b041b30bf9 ]

zx_pwm_probe() called clk_prepare_enable() before; this must be undone
in the error path.

Fixes: 4836193c435c ("pwm: Add ZTE ZX PWM device driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/pwm/pwm-zx.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-zx.c b/drivers/pwm/pwm-zx.c
index 5d27c16edfb13..0d4112410b69d 100644
--- a/drivers/pwm/pwm-zx.c
+++ b/drivers/pwm/pwm-zx.c
@@ -241,6 +241,7 @@  static int zx_pwm_probe(struct platform_device *pdev)
 	ret = pwmchip_add(&zpc->chip);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret);
+		clk_disable_unprepare(zpc->pclk);
 		return ret;
 	}