From 447a42c2feb1091f217c1d50000d8cddf39addb5 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Thu, 8 Jul 2010 12:12:29 +0530 Subject: [PATCH] ath9k: fix panic while cleaning up virtaul wifis num_sec_wiphy means max secondary wifis that the driver can accomudate. So cancelling wiphy work should be based on the presence of secondary wifis. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/init.c | 2 +- drivers/net/wireless/ath/ath9k/main.c | 8 +++++++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index fe730cb16ec2..243c1775f343 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -787,12 +787,12 @@ void ath9k_deinit_device(struct ath_softc *sc) ieee80211_unregister_hw(aphy->hw); ieee80211_free_hw(aphy->hw); } - kfree(sc->sec_wiphy); ieee80211_unregister_hw(hw); ath_rx_cleanup(sc); ath_tx_cleanup(sc); ath9k_deinit_softc(sc); + kfree(sc->sec_wiphy); } void ath_descdma_cleanup(struct ath_softc *sc, diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 56d4a93cd8e5..d45cf0b5db05 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1269,6 +1269,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) struct ath_softc *sc = aphy->sc; struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); + int i; mutex_lock(&sc->mutex); @@ -1281,7 +1282,12 @@ static void ath9k_stop(struct ieee80211_hw *hw) cancel_work_sync(&sc->paprd_work); cancel_work_sync(&sc->hw_check_work); - if (!sc->num_sec_wiphy) { + for (i = 0; i < sc->num_sec_wiphy; i++) { + if (sc->sec_wiphy[i]) + break; + } + + if (i == sc->num_sec_wiphy) { cancel_delayed_work_sync(&sc->wiphy_work); cancel_work_sync(&sc->chan_work); } -- 2.20.1