watchdog: ts4800: release syscon device node in ts4800_wdt_probe()

Put syscon device node when it is not needed anymore.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

diff --git a/drivers/watchdog/ts4800_wdt.c b/drivers/watchdog/ts4800_wdt.c
index 2b8de8602b67ab02c6cef27269228cc8a78d53e2..89843b16b04acca00fca086e0af14cbab80c2fec 100644 (file)
--- a/drivers/watchdog/ts4800_wdt.c
+++ b/drivers/watchdog/ts4800_wdt.c
@@ -135,6 +135,7 @@ static int ts4800_wdt_probe(struct platform_device *pdev)
        /* set regmap and offset to know where to write */
        wdt->feed_offset = reg;
        wdt->regmap = syscon_node_to_regmap(syscon_np);
+       of_node_put(syscon_np);
        if (IS_ERR(wdt->regmap)) {
                dev_err(&pdev->dev, "cannot get parent's regmap\n");
                return PTR_ERR(wdt->regmap);