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Three fixes:

Browse Source 
* avoid a WARN_ON() when trying to use WEP with AP_VLANs
  * ensure enough headroom on mesh forwarding packets
  * don't report unknown/invalid rates to userspace
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Merge tag 'mac80211-for-davem-2016-12-16' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Three fixes:
 * avoid a WARN_ON() when trying to use WEP with AP_VLANs
 * ensure enough headroom on mesh forwarding packets
 * don't report unknown/invalid rates to userspace
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-12-17 21:41:33 -05:00
commit 67a72a5891
3 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
net/mac80211/key.c
View File

@ -265,7 +265,8 @@ static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata,
if (uni) {
rcu_assign_pointer(sdata->default_unicast_key, key);
ieee80211_check_fast_xmit_iface(sdata);
drv_set_default_unicast_key(sdata->local, sdata, idx);
if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN)
drv_set_default_unicast_key(sdata->local, sdata, idx);
}
if (multi)

2
net/mac80211/rx.c
View File

@ -2472,7 +2472,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto out;
fwd_skb = skb_copy(skb, GFP_ATOMIC);
fwd_skb = skb_copy_expand(skb, local->tx_headroom, 0, GFP_ATOMIC);
if (!fwd_skb) {
net_info_ratelimited("%s: failed to clone mesh frame\n",
sdata->name);

14
net/mac80211/sta_info.c
View File

@ -1972,6 +1972,7 @@ static void sta_stats_decode_rate(struct ieee80211_local *local, u16 rate,
u16 brate;
unsigned int shift;
rinfo->flags = 0;
sband = local->hw.wiphy->bands[(rate >> 4) & 0xf];
brate = sband->bitrates[rate & 0xf].bitrate;
if (rinfo->bw == RATE_INFO_BW_5)
@ -1987,14 +1988,15 @@ static void sta_stats_decode_rate(struct ieee80211_local *local, u16 rate,
rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
}
static void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
static int sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
{
u16 rate = ACCESS_ONCE(sta_get_last_rx_stats(sta)->last_rate);
if (rate == STA_STATS_RATE_INVALID)
rinfo->flags = 0;
else
sta_stats_decode_rate(sta->local, rate, rinfo);
return -EINVAL;
sta_stats_decode_rate(sta->local, rate, rinfo);
return 0;
}
static void sta_set_tidstats(struct sta_info *sta,
@ -2199,8 +2201,8 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
}
if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE))) {
sta_set_rate_info_rx(sta, &sinfo->rxrate);
sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
if (sta_set_rate_info_rx(sta, &sinfo->rxrate) == 0)
sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE);
}
sinfo->filled |= BIT(NL80211_STA_INFO_TID_STATS);