wifi: mac80211: don't return unset power in ieee80211_get_tx_power()

[platform/kernel/linux-starfive.git] / net / mac80211 / cfg.c

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0e3a175..715da61 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3121,6 +3121,10 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy,
        else
                *dbm = sdata->vif.bss_conf.txpower;
 
+       /* INT_MIN indicates no power level was set yet */
+       if (*dbm == INT_MIN)
+               return -EINVAL;
+
        return 0;
 }