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authorDavid S. Miller <davem@davemloft.net>2020-02-24 15:43:38 -0800
committerDavid S. Miller <davem@davemloft.net>2020-02-24 15:43:38 -0800
commit3614d05b5e6baf487e88fb114d884da172edd61a (patch)
tree03142a3307c294f57b00eaae527b0351643a819b /net
parent823d81b0fa2cd83a640734e74caee338b5d3c093 (diff)
parent253216ffb2a002a682c6f68bd3adff5b98b71de8 (diff)
downloadlinux-3614d05b5e6baf487e88fb114d884da172edd61a.tar.bz2
Merge tag 'mac80211-for-net-2020-02-24' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg ==================== A few fixes: * remove a double mutex-unlock * fix a leak in an error path * NULL pointer check * include if_vlan.h where needed * avoid RCU list traversal when not under RCU ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mlme.c6
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/wireless/nl80211.c5
-rw-r--r--net/wireless/reg.c2
4 files changed, 6 insertions, 9 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index e041af2f021a..88d7a692a965 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2959,7 +2959,7 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
(auth_transaction == 2 &&
ifmgd->auth_data->expected_transaction == 2)) {
if (!ieee80211_mark_sta_auth(sdata, bssid))
- goto out_err;
+ return; /* ignore frame -- wait for timeout */
} else if (ifmgd->auth_data->algorithm == WLAN_AUTH_SAE &&
auth_transaction == 2) {
sdata_info(sdata, "SAE peer confirmed\n");
@@ -2967,10 +2967,6 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
}
cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
- return;
- out_err:
- mutex_unlock(&sdata->local->sta_mtx);
- /* ignore frame -- wait for timeout */
}
#define case_WLAN(type) \
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 0e05ff037672..0ba98ad9bc85 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4114,7 +4114,7 @@ void __ieee80211_check_fast_rx_iface(struct ieee80211_sub_if_data *sdata)
lockdep_assert_held(&local->sta_mtx);
- list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ list_for_each_entry(sta, &local->sta_list, list) {
if (sdata != sta->sdata &&
(!sta->sdata->bss || sta->sdata->bss != sdata->bss))
continue;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index cedf17d4933f..5b19e9fac4aa 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -20,6 +20,7 @@
#include <linux/netlink.h>
#include <linux/nospec.h>
#include <linux/etherdevice.h>
+#include <linux/if_vlan.h>
#include <net/net_namespace.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
@@ -4800,8 +4801,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
err = nl80211_parse_he_obss_pd(
info->attrs[NL80211_ATTR_HE_OBSS_PD],
&params.he_obss_pd);
- if (err)
- return err;
+ goto out;
}
nl80211_calculate_ap_params(&params);
@@ -4823,6 +4823,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
}
wdev_unlock(wdev);
+out:
kfree(params.acl);
return err;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index fff9a74891fc..1a8218f1bbe0 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2276,7 +2276,7 @@ static void handle_channel_custom(struct wiphy *wiphy,
break;
}
- if (IS_ERR(reg_rule)) {
+ if (IS_ERR_OR_NULL(reg_rule)) {
pr_debug("Disabling freq %d MHz as custom regd has no rule that fits it\n",
chan->center_freq);
if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) {