From: Leon Romanovsky <leonro@mellanox.com>
Date: Tue, 3 Apr 2018 14:03:52 +0300
Subject: net/mlx5: Decrease level of prints about non-existent MKEY
Patch-mainline: v4.18-rc1
Git-commit: d034294e3c5bec1d5b5c6338991b29d19c820ea0
References: bsc#1103990 FATE#326006

User-controlled application can cause multiple prints as below to flood
dmesg. Since knowledge of failed MKey release is important for debug,
let's decrease its level to debug.

mlx5_core 0000:00:04.0: mlx5_core_destroy_mkey:127:(pid 2352): failed
radix tree delete of mkey 0x1ed700

Reported-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/mr.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
@@ -123,8 +123,8 @@ int mlx5_core_destroy_mkey(struct mlx5_c
 	deleted_mkey = radix_tree_delete(&table->tree, mlx5_base_mkey(mkey->key));
 	write_unlock_irqrestore(&table->lock, flags);
 	if (!deleted_mkey) {
-		mlx5_core_warn(dev, "failed radix tree delete of mkey 0x%x\n",
-			       mlx5_base_mkey(mkey->key));
+		mlx5_core_dbg(dev, "failed radix tree delete of mkey 0x%x\n",
+			      mlx5_base_mkey(mkey->key));
 		return -ENOENT;
 	}