[PATCH AUTOSEL 4.19 06/23] ixgbe: Fix memleak in ixgbe_configure_clsu32
From: Sasha Levin
Date: Tue Mar 16 2021 - 21:02:38 EST
From: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
[ Upstream commit 7a766381634da19fc837619b0a34590498d9d29a ]
When ixgbe_fdir_write_perfect_filter_82599() fails,
input allocated by kzalloc() has not been freed,
which leads to memleak.
Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
Reviewed-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx>
Tested-by: Tony Brelinski <tonyx.brelinski@xxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index faee77fa0804..8fcd3ffb43e0 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -9487,8 +9487,10 @@ static int ixgbe_configure_clsu32(struct ixgbe_adapter *adapter,
ixgbe_atr_compute_perfect_hash_82599(&input->filter, mask);
err = ixgbe_fdir_write_perfect_filter_82599(hw, &input->filter,
input->sw_idx, queue);
- if (!err)
- ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
+ if (err)
+ goto err_out_w_lock;
+
+ ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
spin_unlock(&adapter->fdir_perfect_lock);
if ((uhtid != 0x800) && (adapter->jump_tables[uhtid]))
--
2.30.1