From 7decdf923add82b15d8d97cce3769c05335b7b2b Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 22 Sep 2018 15:18:46 +0200 Subject: [PATCH] mac80211: fix tx queue allocation for active monitor interfaces Fixes a crash with drivers like ath9k Signed-off-by: Felix Fietkau --- ...e-TXQs-for-active-monitor-interfaces.patch | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 package/kernel/mac80211/patches/394-mac80211-allocate-TXQs-for-active-monitor-interfaces.patch diff --git a/package/kernel/mac80211/patches/394-mac80211-allocate-TXQs-for-active-monitor-interfaces.patch b/package/kernel/mac80211/patches/394-mac80211-allocate-TXQs-for-active-monitor-interfaces.patch new file mode 100644 index 0000000000..c5c6586652 --- /dev/null +++ b/package/kernel/mac80211/patches/394-mac80211-allocate-TXQs-for-active-monitor-interfaces.patch @@ -0,0 +1,26 @@ +From: Felix Fietkau +Date: Sat, 22 Sep 2018 15:05:59 +0200 +Subject: [PATCH] mac80211: allocate TXQs for active monitor interfaces + +Monitor mode interfaces with the active flag are passed down to the driver. +Drivers using TXQ expect that all interfaces have allocated TXQs before +they get added. + +Fixes: 79af1f866193d ("mac80211: avoid allocating TXQs that won't be used") +Cc: stable@vger.kernel.org +Reported-by: Catrinel Catrinescu +Signed-off-by: Felix Fietkau +--- + +--- a/net/mac80211/iface.c ++++ b/net/mac80211/iface.c +@@ -1816,7 +1816,8 @@ int ieee80211_if_add(struct ieee80211_lo + + if (local->ops->wake_tx_queue && + type != NL80211_IFTYPE_AP_VLAN && +- type != NL80211_IFTYPE_MONITOR) ++ (type != NL80211_IFTYPE_MONITOR || ++ (params->flags & MONITOR_FLAG_ACTIVE))) + txq_size += sizeof(struct txq_info) + + local->hw.txq_data_size; + -- 2.30.2