[PATCH] libertas: before sleeping, check for a command result

Holger Schurig hs4233 at mail.mn-solutions.de
Fri May 23 10:04:13 EDT 2008


If we don't check for a command response early, but rather sleep,
then we might sleep despite an already-received command response.
This will lead to a command-timeout.

Signed-off-by: Holger Schurig <hs4233 at mail.mn-solutions.de>

Index: wireless-testing/drivers/net/wireless/libertas/main.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/libertas/main.c	2008-05-23 14:25:16.000000000 +0200
+++ wireless-testing/drivers/net/wireless/libertas/main.c	2008-05-23 14:25:51.000000000 +0200
@@ -722,14 +722,14 @@ static int lbs_thread(void *data)
 			shouldsleep = 1;	/* Something is en route to the device already */
 		else if (priv->tx_pending_len > 0)
 			shouldsleep = 0;	/* We've a packet to send */
+		else if (priv->resp_len[priv->resp_idx])
+			shouldsleep = 0;	/* We have a command response */
 		else if (priv->cur_cmd)
 			shouldsleep = 1;	/* Can't send a command; one already running */
 		else if (!list_empty(&priv->cmdpendingq))
 			shouldsleep = 0;	/* We have a command to send */
 		else if (__kfifo_len(priv->event_fifo))
 			shouldsleep = 0;	/* We have an event to process */
-		else if (priv->resp_len[priv->resp_idx])
-			shouldsleep = 0;	/* We have a command response */
 		else
 			shouldsleep = 1;	/* No command */
 



More information about the libertas-dev mailing list