From: Arjun Vynipadath <arjun@chelsio.com>
Date: Fri, 9 Nov 2018 14:50:25 +0530
Subject: cxgb4: free mac_hlist properly
Patch-mainline: v5.0-rc1
Git-commit: 2a8d84bf513823ba398f4b2dec41b8decf4041af
References: bsc#1136345 jsc#SLE-4681

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

Signed-off-by: Arjun Vynipadath <arjun@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2295,6 +2295,8 @@ 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);
@@ -2303,6 +2305,12 @@ static void cxgb_down(struct adapter *ad
 
 	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;
 }