Johannes Berg bde59c475e mac80211: fix deadlock in driver-managed RX BA session start ... When an RX BA session is started by the driver, and it has to tell mac80211 about it, the corresponding bit in tid_rx_manage_offl gets set and the BA session work is scheduled. Upon testing this bit, it will call __ieee80211_start_rx_ba_session(), thus deadlocking as it already holds the ampdu_mlme.mtx, which that acquires again. Fix this by adding ___ieee80211_start_rx_ba_session(), a version of the function that requires the mutex already held. Cc: stable@vger.kernel.org Fixes: 699cb58c8a ("mac80211: manage RX BA session offload without SKB queue") Reported-by: Matteo Croce <mcroce@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>		2017-09-06 15:22:02 +02:00
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Kconfig	…
Makefile	…
aes_ccm.c	…
aes_ccm.h	…
aes_cmac.c	…
aes_cmac.h	…
aes_gcm.c	…
aes_gcm.h	…
aes_gmac.c	…
aes_gmac.h	…
agg-rx.c	mac80211: fix deadlock in driver-managed RX BA session start	2017-09-06 15:22:02 +02:00
agg-tx.c	mac80211: agg-tx: call drv_wake_tx_queue in proper context	2017-09-05 16:25:07 +02:00
cfg.c	networking: make skb_put & friends return void pointers	2017-06-16 11:48:39 -04:00
chan.c	…
debug.h	…
debugfs.c	…
debugfs.h	…
debugfs_key.c	…
debugfs_key.h	…
debugfs_netdev.c	networking: convert many more places to skb_put_zero()	2017-06-16 11:48:35 -04:00
debugfs_netdev.h	…
debugfs_sta.c	mac80211: Dynamically set CoDel parameters per station	2017-05-17 16:03:40 +02:00
debugfs_sta.h	…
driver-ops.c	…
driver-ops.h	…
ethtool.c	…
fils_aead.c	…
fils_aead.h	…
ht.c	mac80211: fix deadlock in driver-managed RX BA session start	2017-09-06 15:22:02 +02:00
ibss.c	networking: introduce and use skb_put_data()	2017-06-16 11:48:37 -04:00
ieee80211_i.h	mac80211: fix deadlock in driver-managed RX BA session start	2017-09-06 15:22:02 +02:00
iface.c	mac80211: Fix null pointer dereference with iTXQ support	2017-09-05 11:28:51 +02:00
key.c	…
key.h	…
led.c	…
led.h	…
main.c	mac80211: disentangle iflist_mtx and chanctx_mtx	2017-04-26 23:17:44 +02:00
mesh.c	networking: make skb_put & friends return void pointers	2017-06-16 11:48:39 -04:00
mesh.h	…
mesh_hwmp.c	networking: convert many more places to skb_put_zero()	2017-06-16 11:48:35 -04:00
mesh_pathtbl.c	mac80211: Use setup_timer instead of init_timer for mesh path	2017-03-16 10:54:04 +01:00
mesh_plink.c	networking: convert many more places to skb_put_zero()	2017-06-16 11:48:35 -04:00
mesh_ps.c	networking: make skb_put & friends return void pointers	2017-06-16 11:48:39 -04:00
mesh_sync.c	…
michael.c	…
michael.h	…
mlme.c	mac80211: fix incorrect assignment of reassoc value	2017-09-05 09:04:20 +02:00
ocb.c	…
offchannel.c	mac80211: flush hw_roc_start work before cancelling the ROC	2017-09-05 16:25:07 +02:00
pm.c	cfg80211: add request id to cfg80211_sched_scan_*() api	2017-04-28 14:51:43 +02:00
rate.c	mac80211: Dynamically set CoDel parameters per station	2017-05-17 16:03:40 +02:00
rate.h	mac80211: make rate control tx status API more extensible	2017-04-28 10:57:33 +02:00
rc80211_minstrel.c	mac80211: make rate control tx status API more extensible	2017-04-28 10:57:33 +02:00
rc80211_minstrel.h	…
rc80211_minstrel_debugfs.c	…
rc80211_minstrel_ht.c	mac80211: make rate control tx status API more extensible	2017-04-28 10:57:33 +02:00
rc80211_minstrel_ht.h	…
rc80211_minstrel_ht_debugfs.c	…
rx.c	networking: make skb_push & __skb_push return void pointers	2017-06-16 11:48:40 -04:00
scan.c	cfg80211: add request id to cfg80211_sched_scan_*() api	2017-04-28 14:51:43 +02:00
spectmgmt.c	networking: convert many more places to skb_put_zero()	2017-06-16 11:48:35 -04:00
sta_info.c	networking: make skb_put & friends return void pointers	2017-06-16 11:48:39 -04:00
sta_info.h	mac80211: manage RX BA session offload without SKB queue	2017-06-08 14:16:29 +02:00
status.c	networking: make skb_push & __skb_push return void pointers	2017-06-16 11:48:40 -04:00
tdls.c	net: manual clean code which call skb_put_[data:zero]	2017-06-20 13:30:15 -04:00
tkip.c	…
tkip.h	…
trace.c	…
trace.h	mac80211: add the action to the drv_ampdu_action tracepoint	2017-06-13 11:06:39 +02:00
trace_msg.h	…
tx.c	mac80211: fix VLAN handling with TXQs	2017-09-05 11:28:43 +02:00
util.c	mac80211: add MESH IE in the correct order	2017-09-05 11:28:51 +02:00
vht.c	…
wep.c	…
wep.h	…
wme.c	…
wme.h	…
wpa.c	networking: make skb_put & friends return void pointers	2017-06-16 11:48:39 -04:00
wpa.h	…