Return-path: Received: from mail.atheros.com ([12.36.123.2]:10968 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751031Ab0F3KPf (ORCPT ); Wed, 30 Jun 2010 06:15:35 -0400 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Wed, 30 Jun 2010 03:15:35 -0700 From: Vasanthakumar Thiagarajan To: CC: Subject: [PATCH 2/2] ath9k: Call ieee80211_wake_queue() during ATH_WIPHY_SCAN state also Date: Wed, 30 Jun 2010 03:15:29 -0700 Message-ID: <1277892929-2437-1-git-send-email-vasanth@atheros.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Along with "mac80211: Dont allow to wake up netif tx queues while on off channel" this patch fixes a tx hang issue which shows up when starting a background scanning. The cause for hang is a missed call to ieee80211_wake_queue() after the tx queue was stopped due to tx buffer shortage. Signed-off-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath/ath9k/virtual.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c index 89423ca..2c2f193 100644 --- a/drivers/net/wireless/ath/ath9k/virtual.c +++ b/drivers/net/wireless/ath/ath9k/virtual.c @@ -703,7 +703,8 @@ void ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue) spin_lock_bh(&sc->wiphy_lock); /* Start the primary wiphy */ - if (sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) { + if ((sc->pri_wiphy->state == ATH_WIPHY_ACTIVE) || + (sc->pri_wiphy->state == ATH_WIPHY_SCAN)) { ieee80211_wake_queue(hw, skb_queue); goto unlock; } -- 1.7.0.4