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Commit 5869e795 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k: fix a scheduling while atomic bug in CSA handling 



Commit "ath9k: prepare for multi-interface CSA support" added a call to
ieee80211_iterate_active_interfaces in atomic context (beacon tasklet),
which is crashing.
Use ieee80211_iterate_active_interfaces_atomic instead.

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 09efc563

drivers/net/wireless/ath/ath9k/beacon.c

+3 −4
Original line number Diff line number Diff line
@@ -312,10 +312,9 @@ static void ath9k_csa_update_vif(void *data, u8 *mac, struct ieee80211_vif *vif) 


void ath9k_csa_update(struct ath_softc *sc)

{

	ieee80211_iterate_active_interfaces(sc->hw,

	ieee80211_iterate_active_interfaces_atomic(sc->hw,

						   IEEE80211_IFACE_ITER_NORMAL,

					    ath9k_csa_update_vif,

					    sc);

						   ath9k_csa_update_vif, sc);

}



void ath9k_beacon_tasklet(unsigned long data)