diff options
| author | Marcelo Tosatti <marcelo@kvack.org> | 2007-11-20 13:54:52 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-12-14 09:50:49 -0800 |
| commit | 857c440ad2a392ec43d35727b5ac5144d0dc6dfa (patch) | |
| tree | 07eab4e7f206dcd4dd627e31c07b5af9e81ea574 | |
| parent | 8996d0af900ec60b8b59435aa231e2d449bba6af (diff) | |
libertas: properly account for queue commands
patch 29f5f2a19b055feabfcc6f92e1d40ec092c373ea in mainline.
Properly account for queue commands, this fixes a problem reported
by Holger Schurig when using the debugfs interface.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -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 86fff8de3d9..847d34fda32 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -881,6 +881,10 @@ static int wlan_cmd_mesh_access(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; @@ -910,10 +914,11 @@ 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); @@ -1400,7 +1405,6 @@ 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->mainthread.waitq); if (wait_option & cmd_option_waitforrsp) { |