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 Acked-by: Doug Ledford Signed-off-by: Greg Kroah-Hartman — drivers/staging/rdma/ehca/ehca_cq.c | 13 +++++++—— 1 file changed, 7 insertions(+), 6 deletions(-) diff –git a/drivers/staging/rdma/ehca/ehca_cq.c b/drivers/staging/rdma/ehca/ehca_cq.c index 9b68b17..ea1b5c1 100644 — a/drivers/staging/rdma/ehca/ehca_cq.c +++ …