diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-02-01 09:33:24 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2021-02-01 15:07:09 +0100 |
| commit | 18fe0fae61252b5ae6e26553e2676b5fac555951 (patch) | |
| tree | a4327a2a623414b1da9820b5100ea18ab245d07d /net/mac80211/rate.c | |
| parent | neighbour: Prevent a dead entry from updating gc_list (diff) | |
| download | linux-18fe0fae61252b5ae6e26553e2676b5fac555951.tar.xz linux-18fe0fae61252b5ae6e26553e2676b5fac555951.zip | |
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/rate.c')
| -rw-r--r-- | net/mac80211/rate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index 45927202c71c..63652c39c8e0 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -960,7 +960,8 @@ int rate_control_set_rates(struct ieee80211_hw *hw, if (old) kfree_rcu(old, rcu_head); - drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta); + if (sta->uploaded) + drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta); ieee80211_sta_set_expected_throughput(pubsta, sta_get_expected_throughput(sta)); |