This patch fixes a panic that might occur, if the device is part of a mesh and tries to send with a higher rate index than "0". kernel BUG at net/mac80211/rate.c:239! invalid opcode: 0000 [#1] SMP [...] Call Trace: <IRQ> <0> ? invoke_tx_handlers+0x474/0xb57 [mac80211] ? __ieee80211_tx_prepare+0x260/0x2a8 [mac80211] ? ieee80211_master_start_xmit+0x300/0x43a [mac80211] ? __qdisc_run+0xde/0x1da ? net_tx_action+0xb4/0x102 Kernel panic - not syncing: Fatal exception in interrupt Signed-off-by: Christian Lamparter <chunkeey@xxxxxx> --- I'm not sure if we need a rate_control_rate_init in mesh_neighbour_update as well. So, there's one patch[1] with and another one[2] without rate_control_rate_init in mesh_neighbour_update... --- diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index faac101..1c1474d 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -107,6 +107,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, sta->flags = WLAN_STA_AUTHORIZED; sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + rate_control_rate_init(sta); return sta; } @@ -244,6 +245,7 @@ void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct ieee80211_sub_if_data sta->last_rx = jiffies; sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + rate_control_rate_init(sta); if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN && sdata->u.mesh.accepting_plinks && sdata->u.mesh.mshcfg.auto_open_plinks) --- diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index faac101..a540ab8 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -107,6 +107,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, sta->flags = WLAN_STA_AUTHORIZED; sta->sta.supp_rates[local->hw.conf.channel->band] = rates; + rate_control_rate_init(sta); return sta; } -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
