[PATCH 4.9 56/64] cxgb4: free mac_hlist properly

[Greg Kroah-Hartman]

From: Arjun Vynipadath <arjun@xxxxxxxxxxx>

[ Upstream commit 2a8d84bf513823ba398f4b2dec41b8decf4041af ]

The locally maintained list for tracking hash mac table was
not freed during driver remove.

Signed-off-by: Arjun Vynipadath <arjun@xxxxxxxxxxx>
Signed-off-by: Ganesh Goudar <ganeshgr@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 5478a2ab45c4..821f68baa55c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2251,6 +2251,8 @@ static int cxgb_up(struct adapter *adap)
 
 static void cxgb_down(struct adapter *adapter)
 {
+	struct hash_mac_addr *entry, *tmp;
+
 	cancel_work_sync(&adapter->tid_release_task);
 	cancel_work_sync(&adapter->db_full_task);
 	cancel_work_sync(&adapter->db_drop_task);
@@ -2259,6 +2261,12 @@ static void cxgb_down(struct adapter *adapter)
 
 	t4_sge_stop(adapter);
 	t4_free_sge_resources(adapter);
+
+	list_for_each_entry_safe(entry, tmp, &adapter->mac_hlist, list) {
+		list_del(&entry->list);
+		kfree(entry);
+	}
+
 	adapter->flags &= ~FULL_INIT_DONE;
 }
 
-- 
2.25.1