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authorFelix Fietkau <nbd@nbd.name>2021-02-01 09:33:24 +0100
committerJohannes Berg <johannes.berg@intel.com>2021-02-01 15:07:09 +0100
commit18fe0fae61252b5ae6e26553e2676b5fac555951 (patch)
treea4327a2a623414b1da9820b5100ea18ab245d07d /net/mac80211/rate.c
parenteb4e8fac00d1e01ada5e57c05d24739156086677 (diff)
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.c3
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));