netdev - [PATCH 07/13] netxen: cleanup mac list on driver unload

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Message-Id: <1231788191-23794-8-git-send-email-dhananjay@netxen.com>
Date:	Mon, 12 Jan 2009 11:23:05 -0800
From:	Dhananjay Phadke <dhananjay@...xen.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net
Subject: [PATCH 07/13] netxen: cleanup mac list on driver unload

This fixes a tiny memory leak when driver is unloaded. The mac
address list maintained in netxen_adapter needs to deleted when
driver is going down.

Signed-off-by: Dhananjay Phadke <dhananjay@...xen.com>
---
 drivers/net/netxen/netxen_nic.h      |    1 +
 drivers/net/netxen/netxen_nic_hw.c   |   13 +++++++++++++
 drivers/net/netxen/netxen_nic_main.c |    3 +++
 3 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 274d19f..abfcd8e 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -1487,6 +1487,7 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter);
 u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
 void netxen_p2_nic_set_multi(struct net_device *netdev);
 void netxen_p3_nic_set_multi(struct net_device *netdev);
+void netxen_p3_free_mac_list(struct netxen_adapter *adapter);
 int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32);
 int netxen_config_intr_coalesce(struct netxen_adapter *adapter);
 
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 5d69997..1ce3ab1 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -627,6 +627,19 @@ int netxen_p3_nic_set_promisc(struct netxen_adapter *adapter, u32 mode)
 				(struct cmd_desc_type0 *)&req, 1);
 }
 
+void netxen_p3_free_mac_list(struct netxen_adapter *adapter)
+{
+	nx_mac_list_t *cur, *next;
+
+	cur = adapter->mac_list;
+
+	while (cur) {
+		next = cur->next;
+		kfree(cur);
+		cur = next;
+	}
+}
+
 #define	NETXEN_CONFIG_INTR_COALESCE	3
 
 /*
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index d2b0c59..c0771f5 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -981,6 +981,9 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 		netxen_free_hw_resources(adapter);
 		netxen_release_rx_buffers(adapter);
 		netxen_free_sw_resources(adapter);
+
+		if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+			netxen_p3_free_mac_list(adapter);
 	}
 
 	if (adapter->portnum == 0)
-- 
1.6.0.2

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