linux-kernel - [PATCH 1/2] rtc: Fix handling of missing tm

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Message-Id: <1224531318-10349-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Mon, 20 Oct 2008 20:35:17 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Alessandro Zummo <a.zummo@...ertech.it>
Cc:	linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 1/2] rtc: Fix handling of missing tm_year data when reading alarms

When fixing up invalid years rtc_read_alarm() was calling rtc_valid_tm()
as a boolean but rtc_valid_tm() returns zero on success or a negative
number if the time is not valid so the test was inverted.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/rtc/interface.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 7af60b9..a04c1b6 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -271,7 +271,7 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 		dev_dbg(&rtc->dev, "alarm rollover: %s\n", "year");
 		do {
 			alarm->time.tm_year++;
-		} while (!rtc_valid_tm(&alarm->time));
+		} while (rtc_valid_tm(&alarm->time) != 0);
 		break;
 
 	default:
-- 
1.5.6.5

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