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authorBen Hutchings <ben@decadent.org.uk>2012-01-10 15:11:02 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 16:30:53 -0800
commite74a8f2edb92cb690b467cea0ab652c509e9f624 (patch)
tree346aa7fc0b5d6ad1d52c8fc1de883fb085d94daa /fs/reiserfs
parent948170f8944dfd29d13612fff48110a9814daeb1 (diff)
drivers/rtc/interface.c: fix alarm rollover when day or month is out-of-range
Commit f44f7f96a20a ("RTC: Initialize kernel state from RTC") introduced a potential infinite loop. If an alarm time contains a wildcard month and an invalid day (> 31), or a wildcard year and an invalid month (>= 12), the loop searching for the next matching date will never terminate. Treat the invalid values as wildcards. Fixes <http://bugs.debian.org/646429>, <http://bugs.debian.org/653331> Reported-by: leo weppelman <leoweppelman@googlemail.com> Reported-by: "P. van Gaans" <mailme667@yahoo.co.uk> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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