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A handful of fixes: 

* hwsim radio dump wasn't working for the first radio
  * mesh was updating statistics incorrectly
  * a netlink message allocation was possibly too short
  * wiphy name limit was still too long
  * in certain cases regdb query could find a NULL pointer
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Merge tag 'mac80211-for-davem-2018-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
A handful of fixes:
 * hwsim radio dump wasn't working for the first radio
 * mesh was updating statistics incorrectly
 * a netlink message allocation was possibly too short
 * wiphy name limit was still too long
 * in certain cases regdb query could find a NULL pointer
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-05-23 11:50:05 -04:00
parent d7db318651 fed4825096
commit 419fc888e5
5 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/mac80211_hwsim.c
View File

@ -3340,7 +3340,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
static int hwsim_dump_radio_nl(struct sk_buff *skb,
struct netlink_callback *cb)
{
int last_idx = cb->args[0];
int last_idx = cb->args[0] - 1;
struct mac80211_hwsim_data *data = NULL;
int res = 0;
void *hdr;
@ -3368,7 +3368,7 @@ static int hwsim_dump_radio_nl(struct sk_buff *skb,
last_idx = data->idx;
}
cb->args[0] = last_idx;
cb->args[0] = last_idx + 1;
/* list changed, but no new element sent, set interrupted flag */
if (skb->len == 0 && cb->prev_seq && cb->seq != cb->prev_seq) {

2
include/uapi/linux/nl80211.h
View File

@ -2698,7 +2698,7 @@ enum nl80211_attrs {
#define NL80211_ATTR_KEYS NL80211_ATTR_KEYS
#define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
#define NL80211_WIPHY_NAME_MAXLEN 128
#define NL80211_WIPHY_NAME_MAXLEN 64
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_HT_RATES 77

8
net/mac80211/mesh_plink.c
View File

@ -401,7 +401,7 @@ u32 mesh_plink_deactivate(struct sta_info *sta)
static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
struct ieee802_11_elems *elems, bool insert)
struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
@ -447,7 +447,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
sta->sta.bandwidth = IEEE80211_STA_RX_BW_20;
}
if (insert)
if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
rate_control_rate_init(sta);
else
rate_control_rate_update(local, sband, sta, changed);
@ -551,7 +551,7 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
sta = sta_info_get(sdata, addr);
if (sta) {
mesh_sta_info_init(sdata, sta, elems, false);
mesh_sta_info_init(sdata, sta, elems);
} else {
rcu_read_unlock();
/* can't run atomic */
@ -561,7 +561,7 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
return NULL;
}
mesh_sta_info_init(sdata, sta, elems, true);
mesh_sta_info_init(sdata, sta, elems);
if (sta_info_insert_rcu(sta))
return NULL;

3
net/wireless/nl80211.c
View File

@ -15555,7 +15555,8 @@ void cfg80211_ft_event(struct net_device *netdev,
if (!ft_event->target_ap)
return;
msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL);
msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len,
GFP_KERNEL);
if (!msg)
return;

3
net/wireless/reg.c
View File

@ -916,6 +916,9 @@ int reg_query_regdb_wmm(char *alpha2, int freq, u32 *dbptr,
const struct fwdb_header *hdr = regdb;
const struct fwdb_country *country;
if (!regdb)
return -ENODATA;
if (IS_ERR(regdb))
return PTR_ERR(regdb);