mlx4_core: Fix modify CQ

Commit Message

Eli Cohen Oct. 25, 2010, 2:38 p.m. UTC

None

Patch

diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index 7cd34e9..24bf440 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -149,6 +149,13 @@  int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
 	cq_context = mailbox->buf;
 	memset(cq_context, 0, sizeof *cq_context);
 
+
+	if (count | period) {
+		if (!count)
+			count = 0xffff;
+		else if (!period)
+			period = 0xffff;
+	}
 	cq_context->cq_max_count = cpu_to_be16(count);
 	cq_context->cq_period    = cpu_to_be16(period);