From: Arjun Vynipadath <arjun@chelsio.com>
Date: Fri, 9 Nov 2018 09:20:25 +0000 (+0530)
Subject: cxgb4: free mac_hlist properly
X-Git-Tag: v4.19.125~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=810ed91e89801479e5304ee6f4898e78360e8190;p=thirdparty%2Fkernel%2Fstable.git

cxgb4: free mac_hlist properly

[ Upstream commit 2a8d84bf513823ba398f4b2dec41b8decf4041af ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c81d6c330548d..c334b6206871f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2296,6 +2296,8 @@ 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);
@@ -2304,6 +2306,12 @@ 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;
 }