diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 1cbbd96fdbde..be5cfd8402c7 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -912,6 +912,10 @@ static int wlan_cmd_set_boot2_ver(wlan_private * priv, return 0; } +/* + * Note: NEVER use libertas_queue_cmd() with addtail==0 other than for + * the command timer, because it does not account for queued commands. + */ void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail) { unsigned long flags; @@ -941,10 +945,11 @@ void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u spin_lock_irqsave(&adapter->driver_lock, flags); - if (addtail) + if (addtail) { list_add_tail((struct list_head *)cmdnode, &adapter->cmdpendingq); - else + adapter->nr_cmd_pending++; + } else list_add((struct list_head *)cmdnode, &adapter->cmdpendingq); spin_unlock_irqrestore(&adapter->driver_lock, flags); @@ -1412,7 +1417,6 @@ int libertas_prepare_and_send_command(wlan_private * priv, cmdnode->cmdwaitqwoken = 0; libertas_queue_cmd(adapter, cmdnode, 1); - adapter->nr_cmd_pending++; wake_up_interruptible(&priv->waitq); if (wait_option & CMD_OPTION_WAITFORRSP) { |