From 03e678ee968ae54b79c1580c2935895bd863ad95 Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Wed, 14 Jan 2009 20:49:43 -0800 Subject: [PATCH] netxen: hold tx lock while sending firmware commands Some firmware commands like mac address addition/deletion are sent on the transmit ring. So need to hold the tx lock before touching tx producer/consumer indices. Signed-off-by: Dhananjay Phadke Signed-off-by: David S. Miller --- drivers/net/netxen/netxen_nic_hw.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index e2d2a2fdbe19..821cff68b3f3 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -503,6 +503,8 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter, i = 0; + netif_tx_lock_bh(adapter->netdev); + producer = adapter->cmd_producer; do { cmd_desc = &cmd_desc_arr[i]; @@ -527,6 +529,8 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter, netxen_nic_update_cmd_producer(adapter, adapter->cmd_producer); + netif_tx_unlock_bh(adapter->netdev); + return 0; } -- 2.20.1