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40d18ff959
This patch is intended to avoid the buffering to non-assoc mesh STA and also to avoid the triggering of frame to non-assoc mesh STA which could cause kernel panic in specific hw. One of the examples, is kernel panic happens to ath9k if user space inserts the mesh STA and not proceed with the SAE and AMPE, and later the same mesh STA is detected again. The sta_state of the mesh STA remains at IEEE80211_STA_NONE and if the ieee80211_sta_ps_deliver_wakeup is called and subsequently the ath_tx_aggr_wakeup, the kernel panic due to ath_tx_node_init is not called before to initialize the require data structures. This issue is reported by Cedric Voncken before. http://www.spinics.net/lists/linux-wireless/msg106342.html [<831ea6b4>] ath_tx_aggr_wakeup+0x44/0xcc [ath9k] [<83084214>] ieee80211_sta_ps_deliver_wakeup+0xb8/0x208 [mac80211] [<830b9824>] ieee80211_mps_sta_status_update+0x94/0x108 [mac80211] [<83099398>] ieee80211_sta_ps_transition+0xc94/0x34d8 [mac80211] [<8022399c>] nf_iterate+0x98/0x104 [<8309bb60>] ieee80211_sta_ps_transition+0x345c/0x34d8 [mac80211] Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
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| .. | ||
| 9p | ||
| 802 | ||
| 8021q | ||
| appletalk | ||
| atm | ||
| ax25 | ||
| batman-adv | ||
| bluetooth | ||
| bridge | ||
| caif | ||
| can | ||
| ceph | ||
| core | ||
| dcb | ||
| dccp | ||
| decnet | ||
| dns_resolver | ||
| dsa | ||
| ethernet | ||
| ieee802154 | ||
| ipv4 | ||
| ipv6 | ||
| ipx | ||
| irda | ||
| iucv | ||
| key | ||
| l2tp | ||
| lapb | ||
| llc | ||
| mac80211 | ||
| mac802154 | ||
| mpls | ||
| netfilter | ||
| netlabel | ||
| netlink | ||
| netrom | ||
| nfc | ||
| openvswitch | ||
| packet | ||
| phonet | ||
| rds | ||
| rfkill | ||
| rose | ||
| rxrpc | ||
| sched | ||
| sctp | ||
| sunrpc | ||
| tipc | ||
| unix | ||
| vmw_vsock | ||
| wimax | ||
| wireless | ||
| x25 | ||
| xfrm | ||
| compat.c | ||
| Kconfig | ||
| Makefile | ||
| nonet.c | ||
| socket.c | ||
| sysctl_net.c | ||