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authorZhengchao Shao <shaozhengchao@huawei.com>2023-06-30 09:26:47 +0800
committerJakub Kicinski <kuba@kernel.org>2023-06-29 19:10:07 -0700
commit08fc75735fda3be97194bfbf3c899c87abb3d0fe (patch)
tree0ea9b66be4db5c982e0002bbfa3f5bbcfdf6e7fa
parent3cf62c8177adb0db9e15c8b898c44f997acf3ebf (diff)
mlxsw: minimal: fix potential memory leak in mlxsw_m_linecards_init
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>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/minimal.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/minimal.c b/drivers/net/ethernet/mellanox/mlxsw/minimal.c
index 6b56eadd736e..6b98c3287b49 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;