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: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 471e0f6..bd9e634 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -312,10 +312,9 @@
void ath9k_csa_update(struct ath_softc *sc)
{
- ieee80211_iterate_active_interfaces(sc->hw,
- IEEE80211_IFACE_ITER_NORMAL,
- ath9k_csa_update_vif,
- sc);
+ ieee80211_iterate_active_interfaces_atomic(sc->hw,
+ IEEE80211_IFACE_ITER_NORMAL,
+ ath9k_csa_update_vif, sc);
}
void ath9k_beacon_tasklet(unsigned long data)
