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ath9k: fix a scheduling while atomic bug in CSA handling

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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>
This commit is contained in:
Felix Fietkau 2014-04-08 23:44:26 +02:00 committed by John W. Linville
parent 09efc56345
commit 5869e795e0
1 changed files with 3 additions and 4 deletions
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7
drivers/net/wireless/ath/ath9k/beacon.c
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@ -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_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)