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| author | Johannes Berg <johannes.berg@intel.com> | 2026-08-02 10:40:09 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2026-08-02 18:26:04 +0200 |
| commit | aa0069bd920a0bc02d40d84fe39e7ef478c229e8 (patch) | |
| tree | 12d079b2fd5ac0d878516da88647866e788adf53 | |
| parent | 9d96e037ff90a2fc81a841b2002d500a5a4a5351 (diff) | |
| download | linux-next-aa0069bd920a0bc02d40d84fe39e7ef478c229e8.tar.gz linux-next-aa0069bd920a0bc02d40d84fe39e7ef478c229e8.zip | |
wifi: mac80211: fix RCU dereference in throughput estimate
This is invoked with the wiphy mutex held, not in an RCU
critical section, fix the dereference accordingly.
Fixes: 2f925427e27a ("wifi: mac80211: estimate expected throughput if not provided by driver/rc")
Link: https://patch.msgid.link/20260802104010.94bf0862c329.I0a05bf8ab999cb737c487d79082425257e10132a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/sta_info.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index d12aed9c1756..fdf00cbf49d8 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2821,7 +2821,7 @@ static u32 sta_estimate_expected_throughput(struct sta_info *sta, u32 duration; u8 band; - conf = rcu_dereference(bss_conf->chanctx_conf); + conf = sdata_dereference(bss_conf->chanctx_conf, sta->sdata); if (!conf) return 0; band = conf->def.chan->band; |