diff options
author | Felix Fietkau <nbd@nbd.name> | 2021-02-01 11:33:24 +0300 |
---|---|---|
committer | Johannes Berg <johannes.berg@intel.com> | 2021-02-01 17:07:09 +0300 |
commit | 18fe0fae61252b5ae6e26553e2676b5fac555951 (patch) | |
tree | a4327a2a623414b1da9820b5100ea18ab245d07d /net/mac80211/driver-ops.c | |
parent | eb4e8fac00d1e01ada5e57c05d24739156086677 (diff) | |
download | linux-18fe0fae61252b5ae6e26553e2676b5fac555951.tar.xz |
mac80211: fix station rate table updates on assoc
If the driver uses .sta_add, station entries are only uploaded after the sta
is in assoc state. Fix early station rate table updates by deferring them
until the sta has been uploaded.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20210201083324.3134-1-nbd@nbd.name
[use rcu_access_pointer() instead since we won't dereference here]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.c')
-rw-r--r-- | net/mac80211/driver-ops.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c index c9a8a2433e8a..48322e45e7dd 100644 --- a/net/mac80211/driver-ops.c +++ b/net/mac80211/driver-ops.c @@ -125,8 +125,11 @@ int drv_sta_state(struct ieee80211_local *local, } else if (old_state == IEEE80211_STA_AUTH && new_state == IEEE80211_STA_ASSOC) { ret = drv_sta_add(local, sdata, &sta->sta); - if (ret == 0) + if (ret == 0) { sta->uploaded = true; + if (rcu_access_pointer(sta->sta.rates)) + drv_sta_rate_tbl_update(local, sdata, &sta->sta); + } } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTH) { drv_sta_remove(local, sdata, &sta->sta); |