usb: dwc3: exynos fix axius clock error path to do cleanup

commit 8ae584d1951f241efd45499f8774fd7066f22823 upstream.

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

Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 2f1fb7e..9eba51b 100644 (file)
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -148,7 +148,8 @@ 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 {
@@ -206,6 +207,7 @@ err3:
        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;