diff options
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 27 | ||||
| -rw-r--r-- | net/wireless/scan.c | 7 |
2 files changed, 19 insertions, 15 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 807d448e702e..93bc63eae076 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4997,6 +4997,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, const struct cfg80211_bss_ies *ies; void *hdr; struct nlattr *bss; + bool tsf = false; ASSERT_WDEV_LOCK(wdev); @@ -5020,22 +5021,24 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, rcu_read_lock(); ies = rcu_dereference(res->ies); - if (ies && ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, - ies->len, ies->data)) { - rcu_read_unlock(); - goto nla_put_failure; + if (ies) { + if (nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) + goto fail_unlock_rcu; + tsf = true; + if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, + ies->len, ies->data)) + goto fail_unlock_rcu; } ies = rcu_dereference(res->beacon_ies); - if (ies && ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, - ies->len, ies->data)) { - rcu_read_unlock(); - goto nla_put_failure; + if (ies) { + if (!tsf && nla_put_u64(msg, NL80211_BSS_TSF, ies->tsf)) + goto fail_unlock_rcu; + if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, + ies->len, ies->data)) + goto fail_unlock_rcu; } rcu_read_unlock(); - if (res->tsf && - nla_put_u64(msg, NL80211_BSS_TSF, res->tsf)) - goto nla_put_failure; if (res->beacon_interval && nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) goto nla_put_failure; @@ -5080,6 +5083,8 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, return genlmsg_end(msg, hdr); + fail_unlock_rcu: + rcu_read_unlock(); nla_put_failure: genlmsg_cancel(msg, hdr); return -EMSGSIZE; diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 02a238329c83..b7a167984986 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -695,7 +695,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, if (found) { found->pub.beacon_interval = tmp->pub.beacon_interval; - found->pub.tsf = tmp->pub.tsf; found->pub.signal = tmp->pub.signal; found->pub.capability = tmp->pub.capability; found->ts = tmp->ts; @@ -880,7 +879,6 @@ cfg80211_inform_bss(struct wiphy *wiphy, memcpy(tmp.pub.bssid, bssid, ETH_ALEN); tmp.pub.channel = channel; tmp.pub.signal = signal; - tmp.pub.tsf = tsf; tmp.pub.beacon_interval = beacon_interval; tmp.pub.capability = capability; /* @@ -895,6 +893,7 @@ cfg80211_inform_bss(struct wiphy *wiphy, if (!ies) return NULL; ies->len = ielen; + ies->tsf = tsf; memcpy(ies->data, ie, ielen); rcu_assign_pointer(tmp.pub.beacon_ies, ies); @@ -951,6 +950,7 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, if (!ies) return NULL; ies->len = ielen; + ies->tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp); memcpy(ies->data, mgmt->u.probe_resp.variable, ielen); if (ieee80211_is_probe_resp(mgmt->frame_control)) @@ -962,7 +962,6 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy, memcpy(tmp.pub.bssid, mgmt->bssid, ETH_ALEN); tmp.pub.channel = channel; tmp.pub.signal = signal; - tmp.pub.tsf = le64_to_cpu(mgmt->u.probe_resp.timestamp); tmp.pub.beacon_interval = le16_to_cpu(mgmt->u.probe_resp.beacon_int); tmp.pub.capability = le16_to_cpu(mgmt->u.probe_resp.capab_info); @@ -1409,7 +1408,7 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, if (buf) { memset(&iwe, 0, sizeof(iwe)); iwe.cmd = IWEVCUSTOM; - sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->pub.tsf)); + sprintf(buf, "tsf=%016llx", (unsigned long long)(ies->tsf)); iwe.u.data.length = strlen(buf); current_ev = iwe_stream_add_point(info, current_ev, end_buf, &iwe, buf); |