diff mbox series

[net,v2,2/2] ixgbe: Fix memleak in ixgbe_configure_clsu32

Message ID 20210304192017.1911095-3-anthony.l.nguyen@intel.com (mailing list archive)
State Accepted
Commit 7a766381634da19fc837619b0a34590498d9d29a
Delegated to: Netdev Maintainers
Headers show
Series Intel Wired LAN Driver Updates 2021-03-04 | expand

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Context Check Description
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netdev/cc_maintainers warning 2 maintainers not CCed: jesse.brandeburg@intel.com intel-wired-lan@lists.osuosl.org
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/kdoc success Errors and warnings before: 2 this patch: 2
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netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 12 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 3 this patch: 3
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

Tony Nguyen March 4, 2021, 7:20 p.m. UTC 
From: Dinghao Liu <dinghao.liu@zju.edu.cn>

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@zju.edu.cn>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index fae84202d870..9f3f12e2ccf2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -9565,8 +9565,10 @@  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]))