[PATCH] net: ixgbe: Fix memleak in ixgbe_configure_clsu32

[Dinghao Liu]

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....@zju.edu.cn>
---
 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 393d1c2cd853..e9c2d28efc81 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -9582,8 +9582,10 @@ 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]))
-- 
2.17.1