Author: Andrzej Hajda <a.hajda@samsung.com> The variable can take signed values. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda Signed-off-by: Alexandre Belloni — drivers/rtc/rtc-opal.c | 4 ++– 1 file changed, 2 insertions(+), 2 deletions(-) diff –git a/drivers/rtc/rtc-opal.c b/drivers/rtc/rtc-opal.c index 6fbf9e6..590e1a4 100644 — a/drivers/rtc/rtc-opal.c +++ b/drivers/rtc/rtc-opal.c @@ -152,10 …