diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/301-mac80211-do-not-call-driver-wake_tx_queue-op-during-.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/301-mac80211-do-not-call-driver-wake_tx_queue-op-during-.patch | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/package/kernel/mac80211/patches/subsys/301-mac80211-do-not-call-driver-wake_tx_queue-op-during-.patch b/package/kernel/mac80211/patches/subsys/301-mac80211-do-not-call-driver-wake_tx_queue-op-during-.patch deleted file mode 100644 index 5bbf4db23b..0000000000 --- a/package/kernel/mac80211/patches/subsys/301-mac80211-do-not-call-driver-wake_tx_queue-op-during-.patch +++ /dev/null @@ -1,33 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Fri, 1 Mar 2019 14:42:56 +0100 -Subject: [PATCH] mac80211: do not call driver wake_tx_queue op during reconfig - -There are several scenarios in which mac80211 can call drv_wake_tx_queue -after ieee80211_restart_hw has been called and has not yet completed. -Driver private structs are considered uninitialized until mac80211 has -uploaded the vifs, stations and keys again, so using private tx queue -data during that time is not safe. - -The driver can also not rely on drv_reconfig_complete to figure out when -it is safe to accept drv_wake_tx_queue calls again, because it is only -called after all tx queues are woken again. - -To fix this, bail out early in drv_wake_tx_queue if local->in_reconfig -is set. - -Cc: stable@vger.kernel.org -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/driver-ops.h -+++ b/net/mac80211/driver-ops.h -@@ -1166,6 +1166,9 @@ static inline void drv_wake_tx_queue(str - { - struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif); - -+ if (local->in_reconfig) -+ return; -+ - if (!check_sdata_in_driver(sdata)) - return; - |