| Message ID | 20241002095630.22431-1-nbd@nbd.name (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Johannes Berg |
| Headers | show |
| Series | [wireless] wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower | expand |
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 847304a3a29a..5f855e94aeb4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -3138,7 +3138,8 @@ 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)
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> --- net/mac80211/cfg.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)