watchdog: meson: Handle return value of clk_prepare_enable

clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c
index 45d47664a00a1a05598f46b79fb0d4c99274e747..69a5a57f144624c6728a20d6afdcad173f243f01 100644 (file)
--- a/drivers/watchdog/meson_gxbb_wdt.c
+++ b/drivers/watchdog/meson_gxbb_wdt.c
@@ -203,7 +203,9 @@ static int meson_gxbb_wdt_probe(struct platform_device *pdev)
        if (IS_ERR(data->clk))
                return PTR_ERR(data->clk);
 
-       clk_prepare_enable(data->clk);
+       ret = clk_prepare_enable(data->clk);
+       if (ret)
+               return ret;
 
        platform_set_drvdata(pdev, data);