watchdog: s3c2410_wdt: Remove unneeded initialization

Initializing clk to NULL as a reset/error condition does not
help as NULL is not an invalid condition w.r.t clk. Remove this
initialization altogether as there is no state retention.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

drivers/watchdog/s3c2410_wdt.c

@@ -607,7 +607,6 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 
  err_clk:
 	clk_disable_unprepare(wdt->clock);
-	wdt->clock = NULL;
 
  err:
 	return ret;
@@ -627,7 +626,6 @@ static int s3c2410wdt_remove(struct platform_device *dev)
 	s3c2410wdt_cpufreq_deregister(wdt);
 
 	clk_disable_unprepare(wdt->clock);
-	wdt->clock = NULL;
 
 	return 0;
 }