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Just three fixes:

Browse Source 
* fix HT operation in mesh mode
  * disable preemption in control frame TX
  * check nla_parse_nested() return values
    where missing (two places)
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Merge tag 'mac80211-for-davem-2018-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Just three fixes:
 * fix HT operation in mesh mode
 * disable preemption in control frame TX
 * check nla_parse_nested() return values
   where missing (two places)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-06-29 22:09:26 +09:00
commit 0933cc294f
2 changed files with 16 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/mac80211/tx.c
View File

@ -4845,7 +4845,9 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_network_header(skb);
skb_reset_mac_header(skb);
local_bh_disable();
__ieee80211_subif_start_xmit(skb, skb->dev, flags);
local_bh_enable();
return 0;
}

35
net/wireless/nl80211.c
View File

@ -6231,7 +6231,7 @@ do { \
nl80211_check_s32);
/*
* Check HT operation mode based on
* IEEE 802.11 2012 8.4.2.59 HT Operation element.
* IEEE 802.11-2016 9.4.2.57 HT Operation element.
*/
if (tb[NL80211_MESHCONF_HT_OPMODE]) {
ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]);
@ -6241,22 +6241,9 @@ do { \
IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
return -EINVAL;
if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
return -EINVAL;
/* NON_HT_STA bit is reserved, but some programs set it */
ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) {
case IEEE80211_HT_OP_MODE_PROTECTION_NONE:
case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ:
if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)
return -EINVAL;
break;
case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER:
case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED:
if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT))
return -EINVAL;
break;
}
cfg->ht_opmode = ht_opmode;
mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1));
}
@ -10962,9 +10949,12 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
rem) {
u8 *mask_pat;
nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy,
info->extack);
err = nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy,
info->extack);
if (err)
goto error;
err = -EINVAL;
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
@ -11213,8 +11203,11 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
rem) {
u8 *mask_pat;
nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy, NULL);
err = nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy, NULL);
if (err)
return err;
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
return -EINVAL;