| Message ID | 20201221112731.32545-1-dinghao.liu@zju.edu.cn |
|---|---|
| State | New |
| Headers | show |
| Series | net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups | expand |
On Mon, Dec 21, 2020 at 07:27:31PM +0800, Dinghao Liu wrote: > 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. > > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> > --- > drivers/net/ethernet/mellanox/mlx5/core/en_fs.c | 1 + > 1 file changed, 1 insertion(+) > Fixes: 33cfaaa8f36f ("net/mlx5e: Split the main flow steering table") Thanks, Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
On Sun, 2020-12-27 at 10:33 +0200, Leon Romanovsky wrote: > On Mon, Dec 21, 2020 at 07:27:31PM +0800, Dinghao Liu wrote: > > 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. > > > > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> > > --- > > drivers/net/ethernet/mellanox/mlx5/core/en_fs.c | 1 + > > 1 file changed, 1 insertion(+) > > > > Fixes: 33cfaaa8f36f ("net/mlx5e: Split the main flow steering table") > Added > Thanks, > Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Applied to net-mlx5 Thanks
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index fa8149f6eb08..72de1009b104 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -1390,6 +1390,7 @@ static int mlx5e_create_l2_table_groups(struct mlx5e_l2_table *l2_table) ft->g[ft->num_groups] = NULL; mlx5e_destroy_groups(ft); kvfree(in); + kfree(ft->g); return err; }
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. Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> --- drivers/net/ethernet/mellanox/mlx5/core/en_fs.c | 1 + 1 file changed, 1 insertion(+)