Commit 03e678ee authored Jan 14, 2009 by Dhananjay Phadke Committed by David S. Miller Jan 14, 2009

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 <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 06e9d9f9

drivers/net/netxen/netxen_nic_hw.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

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