From: Ales Novak <alnovak@suse.cz>
Date: Fri, 6 Jun 2014 21:35:39 +0000 (-0700)
Subject: drivers/rtc/interface.c: fix infinite loop in initializing the alarm
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~4^2~166
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ee1d90146815fdc8d653c558b327fff2acba041d;p=pandora-kernel.git

drivers/rtc/interface.c: fix infinite loop in initializing the alarm

In __rtc_read_alarm(), if the alarm time retrieved by
rtc_read_alarm_internal() from the device contains invalid values (e.g.
month=2,mday=31) and the year not set (=-1), the initialization will
loop infinitely because the year-fixing loop expects the time being
invalid due to leap year.

Fix reduces the loop to the leap years and adds final validity check.

Signed-off-by: Ales Novak <alnovak@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Reported-by: Jiri Bohac <jbohac@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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