forked from Minki/linux
af21319fcd
This should fix a very rare occurrence of the following deadlock: [<ffffffffa018265e>] ath10k_wmi_tx_beacons_nowait+0x1e/0x50 [ath10k_core] [<ffffffffa01829b6>] ath10k_wmi_op_ep_tx_credits+0x16/0x40 [ath10k_core] [<ffffffffa017d685>] ath10k_htc_send+0x285/0x3d0 [ath10k_core] [<ffffffffa0184b81>] ath10k_wmi_cmd_send_nowait+0x81/0x110 [ath10k_core] [<ffffffffa0184c61>] ath10k_wmi_tx_beacon_nowait.part.33+0x51/0x90 [ath10k_core] [<ffffffffa0184cd0>] ath10k_wmi_tx_beacons_iter+0x30/0x40 [ath10k_core] [<ffffffff81882246>] __iterate_active_interfaces+0xa6/0x100 [<ffffffffa0184ca0>] ? ath10k_wmi_tx_beacon_nowait.part.33+0x90/0x90 [ath10k_core] [<ffffffff818822ae>] ieee80211_iterate_active_interfaces_atomic+0xe/0x10 [<ffffffffa0182676>] ath10k_wmi_tx_beacons_nowait+0x36/0x50 [ath10k_core] [<ffffffffa01829b6>] ath10k_wmi_op_ep_tx_credits+0x16/0x40 [ath10k_core] [<ffffffffa017d140>] ath10k_htc_rx+0x280/0x410 [ath10k_core] [<ffffffffa01bcbf0>] ? ath10k_ce_completed_recv_next+0x60/0x80 [ath10k_pci] [<ffffffffa01bc6ab>] ath10k_pci_ce_recv_data+0x11b/0x1d0 [ath10k_pci] [<ffffffffa01bcf44>] ath10k_ce_per_engine_service+0x64/0xc0 [ath10k_pci] [<ffffffffa01bcfc2>] ath10k_ce_per_engine_service_any+0x22/0x50 [ath10k_pci] [<ffffffffa01bc4d0>] ath10k_pci_tasklet+0x30/0x90 [ath10k_pci] [<ffffffff81055a55>] tasklet_action+0xc5/0x100 To prevent this make sure to release ar->data_lock while calling to ath10k_wmi_beacon_send_ref_nowait(). Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> |
||
---|---|---|
.. | ||
ath | ||
b43 | ||
b43legacy | ||
brcm80211 | ||
cw1200 | ||
hostap | ||
ipw2x00 | ||
iwlegacy | ||
iwlwifi | ||
libertas | ||
libertas_tf | ||
mwifiex | ||
orinoco | ||
p54 | ||
prism54 | ||
rsi | ||
rt2x00 | ||
rtl818x | ||
rtlwifi | ||
ti | ||
zd1211rw | ||
adm8211.c | ||
adm8211.h | ||
airo_cs.c | ||
airo.c | ||
airo.h | ||
at76c50x-usb.c | ||
at76c50x-usb.h | ||
atmel_cs.c | ||
atmel_pci.c | ||
atmel.c | ||
atmel.h | ||
Kconfig | ||
mac80211_hwsim.c | ||
mac80211_hwsim.h | ||
Makefile | ||
mwl8k.c | ||
ray_cs.c | ||
ray_cs.h | ||
rayctl.h | ||
rndis_wlan.c | ||
wl3501_cs.c | ||
wl3501.h | ||
zd1201.c | ||
zd1201.h |