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| author | Felix Fietkau <nbd@nbd.name> | 2024-10-02 11:56:30 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-10-08 21:24:19 +0200 |
| commit | 393b6bc174b0dd21bb2a36c13b36e62fc3474a23 (patch) | |
| tree | db1a48263d7eddd8c3f49c81dbf2d8c7a76659b4 /net/mac80211 | |
| parent | 4cc6f3e5e5765abad9c091989970d67d8c1d2204 (diff) | |
| download | linux-stable-393b6bc174b0dd21bb2a36c13b36e62fc3474a23.tar.gz linux-stable-393b6bc174b0dd21bb2a36c13b36e62fc3474a23.tar.bz2 linux-stable-393b6bc174b0dd21bb2a36c13b36e62fc3474a23.zip | |
wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower
Avoid potentially crashing in the driver because of uninitialized private data
Fixes: 5b3dc42b1b0d ("mac80211: add support for driver tx power reporting")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/20241002095630.22431-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/cfg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 13294cc20a9b..6dfc61a9acd4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3143,7 +3143,8 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); - if (local->ops->get_txpower) + if (local->ops->get_txpower && + (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) return drv_get_txpower(local, sdata, dbm); if (local->emulate_chanctx) |