From fe2c9b4e1dc0434ac1b7385c5eb2e024070c7a3d Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 8 Apr 2014 22:11:19 +0000 Subject: [PATCH] ath9k: fix AP mode crash issues Signed-off-by: Felix Fietkau SVN-Revision: 40428 --- .../mac80211/patches/300-pending_work.patch | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch index deae67a420..31eab5e402 100644 --- a/package/kernel/mac80211/patches/300-pending_work.patch +++ b/package/kernel/mac80211/patches/300-pending_work.patch @@ -1,3 +1,16 @@ +commit ec998e5991781ecdaad0911dc64f1c8d3749c308 +Author: Felix Fietkau +Date: Tue Apr 8 23:42:17 2014 +0200 + + 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 + commit 93f310a38a1d81a4bc8fcd9bf29628bd721cf2ef Author: Felix Fietkau Date: Sun Apr 6 23:35:28 2014 +0200 @@ -26,3 +39,19 @@ Date: Sun Apr 6 23:35:28 2014 +0200 if (level != aniState->firstepLevel) { ath_dbg(common, ANI, +--- a/drivers/net/wireless/ath/ath9k/beacon.c ++++ b/drivers/net/wireless/ath/ath9k/beacon.c +@@ -312,10 +312,9 @@ static void ath9k_csa_update_vif(void *d + + 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) -- 2.30.2