linux-kernel - [PATCH] RTC/m48t86: patch for use rtc_valid

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Date:	Tue, 22 Jun 2010 17:54:45 +0800
From:	Wan ZongShun <mcuos.com@...il.com>
To:	Alessandro Zummo <a.zummo@...ertech.it>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	rtc-linux <rtc-linux@...glegroups.com>
Subject: [PATCH] RTC/m48t86: patch for use rtc_valid_tm to check returning
 tm.

This patch is to use rtc_valid_tm for checking
returning struct rtc_time *tm, it can avoid returning
wrong tm value.

Signed-off-by: Wan ZongShun <mcuos.com@...il.com>

---
 drivers/rtc/rtc-m48t86.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 7c045cf..f981287 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -77,7 +77,7 @@ static int m48t86_rtc_read_time(struct device *dev, struct rtc_time *tm)
 		if (ops->readbyte(M48T86_REG_HOUR) & 0x80)
 			tm->tm_hour += 12;

-	return 0;
+	return rtc_valid_tm(tm);
 }

 static int m48t86_rtc_set_time(struct device *dev, struct rtc_time *tm)
-- 
1.6.3.3
--
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