diff mbox series

[net] mlxsw: minimal: fix potential memory leak in mlxsw_m_linecards_init

Message ID 20230628005410.1524682-1-shaozhengchao@huawei.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [net] mlxsw: minimal: fix potential memory leak in mlxsw_m_linecards_init | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/cc_maintainers success CCed 9 of 9 maintainers
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 8 this patch: 8
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 7 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

shaozhengchao June 28, 2023, 12:54 a.m. UTC
when allocating mlxsw_m->line_cards[] failed in mlxsw_m_linecards_init,
the memory pointed by mlxsw_m->line_cards is not released, which will
cause memory leak. Memory release processing is added to the incorrect
path.

Fixes: 01328e23a476 ("mlxsw: minimal: Extend module to port mapping with slot index")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
---
 drivers/net/ethernet/mellanox/mlxsw/minimal.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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;