diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2019-07-03 16:38:23 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-07-26 14:31:46 +0300 |
| commit | 60d7dfea00e14d87bdfd94cb7cca1f7592069fd4 (patch) | |
| tree | 62fbad7ba390f81bb9d78ed1bf4945d34f428646 /net/wireless/scan.c | |
| parent | b0d1d7ffc55571185e626a6ab2983400fc493cc2 (diff) | |
| download | linux-60d7dfea00e14d87bdfd94cb7cca1f7592069fd4.tar.xz | |
cfg80211: give all multi-BSSID BSS entries the same timestamp
If we just read jiffies over and over again, a non-transmitting
entry may have a newer timestamp than the transmitting one,
leading to possible confusion on expiry. Give them all the same
timestamp when creating them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Link: https://lore.kernel.org/r/20190703133823.10530-3-johannes@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 186ae1bb510a..a98dabab557a 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1368,6 +1368,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, struct cfg80211_internal_bss tmp = {}, *res; int bss_type; bool signal_valid; + unsigned long ts; if (WARN_ON(!wiphy)) return NULL; @@ -1390,8 +1391,11 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, tmp.ts_boottime = data->boottime_ns; if (non_tx_data) { tmp.pub.transmitted_bss = non_tx_data->tx_bss; + ts = bss_from_pub(non_tx_data->tx_bss)->ts; tmp.pub.bssid_index = non_tx_data->bssid_index; tmp.pub.max_bssid_indicator = non_tx_data->max_bssid_indicator; + } else { + ts = jiffies; } /* @@ -1425,8 +1429,7 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy, signal_valid = abs(data->chan->center_freq - channel->center_freq) <= wiphy->max_adj_channel_rssi_comp; - res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, - jiffies); + res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, ts); if (!res) return NULL; |