Author: Andrzej Hajda <a.hajda@samsung.com> The function can return negative value. 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: Herbert Xu — drivers/char/hw_random/xgene-rng.c | 7 ++++— 1 file changed, 4 insertions(+), 3 deletions(-) diff –git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index c37cf75..3c77645 100644 — a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -344,11 …