https://bugzilla.redhat.com/show_bug.cgi?id=589777#c5

diff -up linux-2.6.33.noarch/drivers/net/wireless/iwlwifi/iwl-3945.c.orig linux-2.6.33.noarch/drivers/net/wireless/iwlwifi/iwl-3945.c
--- linux-2.6.33.noarch/drivers/net/wireless/iwlwifi/iwl-3945.c.orig	2010-05-19 16:07:15.000000000 -0400
+++ linux-2.6.33.noarch/drivers/net/wireless/iwlwifi/iwl-3945.c	2010-05-19 16:09:42.000000000 -0400
@@ -2794,6 +2794,7 @@ static struct iwl_lib_ops iwl3945_lib = 
 	.post_associate = iwl3945_post_associate,
 	.isr = iwl_isr_legacy,
 	.config_ap = iwl3945_config_ap,
+	.recover_from_tx_stall = iwl_bg_monitor_recover,
 };
 
 static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {