From: Zhengchao Shao shaozhengchao@huawei.com
[ Upstream commit 08fc75735fda3be97194bfbf3c899c87abb3d0fe ]
The line cards array is not freed in the error path of mlxsw_m_linecards_init(), which can lead to a memory leak. Fix by freeing the array in the error path, thereby making the error path identical to mlxsw_m_linecards_fini().
Fixes: 01328e23a476 ("mlxsw: minimal: Extend module to port mapping with slot index") Signed-off-by: Zhengchao Shao shaozhengchao@huawei.com Reviewed-by: Petr Machata petrm@nvidia.com Reviewed-by: Ido Schimmel idosch@nvidia.com Link: https://lore.kernel.org/r/20230630012647.1078002-1-shaozhengchao@huawei.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/mellanox/mlxsw/minimal.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/minimal.c b/drivers/net/ethernet/mellanox/mlxsw/minimal.c index 6b56eadd736e5..6b98c3287b497 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/minimal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/minimal.c @@ -417,6 +417,7 @@ static int mlxsw_m_linecards_init(struct mlxsw_m *mlxsw_m) err_kmalloc_array: for (i--; i >= 0; i--) kfree(mlxsw_m->line_cards[i]); + kfree(mlxsw_m->line_cards); err_kcalloc: kfree(mlxsw_m->ports); return err;