Janusz.Dziedzic@tieto.com 519ee6918b mac80211: fix divide by zero when NOA update ...

In case of one shot NOA the interval can be 0, catch that
instead of potentially (depending on the driver) crashing
like this:

divide error: 0000 [#1] SMP
[...]
Call Trace:
<IRQ>
[<ffffffffc08e891c>] ieee80211_extend_absent_time+0x6c/0xb0 [mac80211]
[<ffffffffc08e8a17>] ieee80211_update_p2p_noa+0xb7/0xe0 [mac80211]
[<ffffffffc069cc30>] ath9k_p2p_ps_timer+0x170/0x190 [ath9k]
[<ffffffffc070adf8>] ath_gen_timer_isr+0xc8/0xf0 [ath9k_hw]
[<ffffffffc0691156>] ath9k_tasklet+0x296/0x2f0 [ath9k]
[<ffffffff8107ad65>] tasklet_action+0xe5/0xf0
[...]

Cc: stable@vger.kernel.org [3.16+, due to d463af4a1c34 using it]
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

2015-11-03 10:40:57 +01:00

..

aes_ccm.c

mac80211: Switch to new AEAD interface

2015-05-28 11:23:20 +08:00

aes_ccm.h

mac80111: Add CCMP-256 cipher

2015-01-27 11:07:35 +01:00

aes_cmac.c

mac80211: remove ieee80211_aes_cmac_calculate_k1_k2()

2015-08-13 11:31:45 +02:00

aes_cmac.h

mac80111: Add BIP-CMAC-256 cipher

2015-01-27 11:09:13 +01:00

aes_gcm.c

mac80211: Switch to new AEAD interface

2015-05-28 11:23:20 +08:00

aes_gcm.h

mac80111: Add GCMP and GCMP-256 ciphers

2015-01-27 11:06:09 +01:00

aes_gmac.c

mac80211: Switch to new AEAD interface

2015-05-28 11:23:20 +08:00

aes_gmac.h

mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers

2015-01-27 11:10:13 +01:00

agg-rx.c

mac80211: allow the driver to advertise A-MSDU within A-MPDU Rx support

2015-09-22 15:21:24 +02:00

agg-tx.c

mac80211: allow to transmit A-MSDU within A-MPDU

2015-09-22 15:21:23 +02:00

cfg.c

mac80211: remove cfg.h

2015-10-14 18:36:43 +02:00

chan.c

mac80211: upgrade BW of TDLS peers when possible

2015-07-17 15:38:12 +02:00

debug.h

mac80211: 802.11p OCB mode support

2014-11-04 13:18:21 +01:00

debugfs_key.c

mac80211: allow writing TX PN in debugfs

2015-09-29 15:56:50 +02:00

debugfs_key.h

mac80211: support separate default keys

2010-12-13 15:23:29 -05:00

debugfs_netdev.c

mac80211: remove last_beacon/ave_beacon debugfs files

2015-09-22 15:21:25 +02:00

debugfs_netdev.h

mac80211: fix some missing includes

2014-04-09 14:49:43 +02:00

debugfs_sta.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

debugfs_sta.h

mac80211: RCU-ify STA info structure access

2008-03-06 15:30:46 -05:00

debugfs.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-10-20 06:08:27 -07:00

debugfs.h

mac80211: fix some missing includes

2014-04-09 14:49:43 +02:00

driver-ops.c

mac80211: Deinline drv_get/set/reset_tsf()

2015-09-29 15:56:49 +02:00

driver-ops.h

mac80211: Deinline drv_get/set/reset_tsf()

2015-09-29 15:56:49 +02:00

ethtool.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

ht.c

mac80211: add VHT support for IBSS

2015-03-30 10:48:26 +02:00

ibss.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

ieee80211_i.h

mac80211: move beacon_loss_count into ifmgd

2015-10-21 10:08:21 +02:00

iface.c

mac80211: remove PM-QoS listener

2015-10-14 18:04:08 +02:00

Kconfig

mac80211: use DECLARE_EWMA

2015-08-14 17:49:53 +02:00

key.c

mac80211: remove sta_info.gtk_idx

2015-07-17 15:37:54 +02:00

key.h

mac80211: remove key TX/RX counter

2015-07-17 15:38:01 +02:00

led.c

mac80211: fix throughput LED trigger

2015-05-11 19:16:04 +02:00

led.h

mac80211: make LED triggering depend on activation

2015-05-05 14:21:56 +02:00

main.c

mac80211: remove cfg.h

2015-10-14 18:36:43 +02:00

Makefile

mac80211: remove event.c

2015-10-14 18:40:26 +02:00

mesh_hwmp.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

mesh_pathtbl.c

mac80211: implement cfg80211_ops to query mesh proxy path table

2014-10-09 11:19:07 +02:00

mesh_plink.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

mesh_ps.c

mac80211: mesh: separate plid and aid concepts

2015-07-17 15:47:11 +02:00

mesh_sync.c

mac80211: move mesh related station fields to own struct

2015-07-17 15:38:06 +02:00

mesh.c

mac80211: make ieee80211_new_mesh_header return unsigned

2015-10-05 17:54:16 +02:00

mesh.h

mac80211: make ieee80211_new_mesh_header return unsigned

2015-10-05 17:54:16 +02:00

michael.c

mac80211: remove ieee80211_get_hdr_info

2008-07-08 14:16:01 -04:00

michael.h

mac80211: fix some missing includes

2014-04-09 14:49:43 +02:00

mlme.c

mac80211: move beacon_loss_count into ifmgd

2015-10-21 10:08:21 +02:00

ocb.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

offchannel.c

mac80211: use bool argument to ieee80211_send_nullfunc

2015-09-29 15:56:52 +02:00

pm.c

mac80211: don't tear down aggregation on suspend in case of wowlan->any

2015-09-29 15:56:47 +02:00

rate.c

For the current cycle, we have the following right now:

2015-10-07 04:29:18 -07:00

rate.h

mac80211: deinline rate_control_rate_init, rate_control_rate_update

2015-07-17 15:50:02 +02:00

rc80211_minstrel_debugfs.c

mac80211: minstrel[_ht]: remove non-ascii debugfs characters

2015-09-29 15:56:47 +02:00

rc80211_minstrel_ht_debugfs.c

mac80211: minstrel[_ht]: remove non-ascii debugfs characters

2015-09-29 15:56:47 +02:00

rc80211_minstrel_ht.c

mac80211: minstrel_ht: handle peers in dynamic SMPS

2015-07-17 15:38:20 +02:00

rc80211_minstrel_ht.h

mac80211: add max lossless throughput per rate

2015-04-01 20:44:32 +02:00

rc80211_minstrel.c

mac80211: fix invalid read in minstrel_sort_best_tp_rates()

2015-08-13 13:52:34 +02:00

rc80211_minstrel.h

mac80211: add standard deviation to Minstrel stats

2015-04-01 20:44:33 +02:00

rx.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

scan.c

mac80211: remove PM-QoS listener

2015-10-14 18:04:08 +02:00

spectmgmt.c

mac80211: remove unused variable in ieee80211_parse_ch_switch_ie()

2014-12-17 15:45:17 +01:00

sta_info.c

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

sta_info.h

mac80211: move station statistics into sub-structs

2015-10-21 10:08:22 +02:00

status.c

Here's another set of patches for the current cycle:

2015-10-22 07:28:41 -07:00

tdls.c

For the current cycle, we have the following right now:

2015-10-07 04:29:18 -07:00

tkip.c

mac80211: fix checkpatch errors

2013-12-18 10:33:06 +01:00

tkip.h

mac80211: fix TKIP races, make API easier to use

2011-07-08 11:11:19 -04:00

trace_msg.h

mac80211: Move message tracepoints to their own header

2015-04-07 12:32:09 -04:00

trace.c

mac80211: Move message tracepoints to their own header

2015-04-07 12:32:09 -04:00

trace.h

mac80211: remove PM-QoS listener

2015-10-14 18:04:08 +02:00

tx.c

Here's another set of patches for the current cycle:

2015-10-22 07:28:41 -07:00

util.c

mac80211: fix divide by zero when NOA update

2015-11-03 10:40:57 +01:00

vht.c

mac80211: avoid VHT usage with no 80MHz chans allowed

2015-09-04 14:31:41 +02:00

wep.c

mac80211: move WEP tailroom size check

2015-05-11 14:51:29 +02:00

wep.h

mac80211: move RX WEP weak IV counting

2012-03-13 14:54:16 -04:00

wme.c

mac80211: synchronously reserve TID per station

2014-11-19 18:45:36 +01:00

wme.h

mac80211: add WMM admission control support

2014-10-22 10:42:09 +02:00

wpa.c

mac80211: remove event.c

2015-10-14 18:40:26 +02:00

wpa.h

mac80111: Add BIP-GMAC-128 and BIP-GMAC-256 ciphers

2015-01-27 11:10:13 +01:00