drivers/rtc/rtc-s3c.c: remove one superfluous rtc_valid_tm() check

s3c_rtc_gettime() already returns the result of rtc_valid_tm() on the
obtained time so get rid of another call to rtc_valid_tm().

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index a313b9b..76cbad7 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -497,9 +497,7 @@
 	device_init_wakeup(&pdev->dev, 1);
 
 	/* Check RTC Time */
-	s3c_rtc_gettime(&pdev->dev, &rtc_tm);
-
-	if (rtc_valid_tm(&rtc_tm)) {
+	if (s3c_rtc_gettime(&pdev->dev, &rtc_tm)) {
 		rtc_tm.tm_year	= 100;
 		rtc_tm.tm_mon	= 0;
 		rtc_tm.tm_mday	= 1;