[PATCH] usb: dwc3-exynos fix axius clock error path to do cleanup

From: Shuah Khan
Date: Tue Jan 10 2017 - 18:05:40 EST


Axius clock error path returns without disabling clock and suspend clock.
Fix it to disable them before returning error.

Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-exynos.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 3e8407a..f7421c2 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -136,7 +136,8 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
exynos->axius_clk = devm_clk_get(dev, "usbdrd30_axius_clk");
if (IS_ERR(exynos->axius_clk)) {
dev_err(dev, "no AXI UpScaler clk specified\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto axius_clk_err;
}
clk_prepare_enable(exynos->axius_clk);
} else {
@@ -194,6 +195,7 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
regulator_disable(exynos->vdd33);
err2:
clk_disable_unprepare(exynos->axius_clk);
+axius_clk_err:
clk_disable_unprepare(exynos->susp_clk);
clk_disable_unprepare(exynos->clk);
return ret;
--
2.7.4