From: Eli Cohen <eli@dev.mellanox.co.il>
Date: Tue, 2 Dec 2014 10:26:13 +0000 (+0200)
Subject: net/mlx5_core: Fix command queue size enforcement
X-Git-Tag: v3.19-rc1~118^2~85^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2d446d18aa09f16aef9e34774c4fcbc8a84a923e;p=platform%2Fkernel%2Flinux-exynos.git

net/mlx5_core: Fix command queue size enforcement

Command queue descriptor page size is 4KB and not the page size used by the
kernel.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 368c6c5..a285305 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1363,7 +1363,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
 		goto err_map;
 	}
 
-	if (cmd->log_sz + cmd->log_stride > PAGE_SHIFT) {
+	if (cmd->log_sz + cmd->log_stride > MLX5_ADAPTER_PAGE_SHIFT) {
 		dev_err(&dev->pdev->dev, "command queue size overflow\n");
 		err = -EINVAL;
 		goto err_map;