From: Dinghao Liu <dinghao.liu@zju.edu.cn>
Date: Mon, 21 Dec 2020 11:27:31 +0000 (+0800)
Subject: net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups
X-Git-Tag: accepted/tizen/unified/20230118.172025~8123^2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5b0bb12c58ac7d22e05b5bfdaa30a116c8c32e32;p=platform%2Fkernel%2Flinux-rpi.git

net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups

When mlx5_create_flow_group() fails, ft->g should be
freed just like when kvzalloc() fails. The caller of
mlx5e_create_l2_table_groups() does not catch this
issue on failure, which leads to memleak.

Fixes: 33cfaaa8f36f ("net/mlx5e: Split the main flow steering table")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index 44a2dfb..e02e589 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -1392,6 +1392,7 @@ err_destroy_groups:
 	ft->g[ft->num_groups] = NULL;
 	mlx5e_destroy_groups(ft);
 	kvfree(in);
+	kfree(ft->g);
 
 	return err;
 }