From: Dan Carpenter <error27@gmail.com>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: Jouni Malinen <jmalinen@atheros.com>,
Vasanthakumar Thiagarajan <vasanth@atheros.com>,
Senthil Balasubramanian <senthilkumar@atheros.com>,
"John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, ath9k-devel@lists.ath9k.org,
kernel-janitors@vger.kernel.org
Subject: [patch -next] ath9k: unlock on error path in ath9k_change_interface()
Date: Tue, 21 Dec 2010 06:59:06 +0300 [thread overview]
Message-ID: <20101221035906.GC1936@bicker> (raw)
There is a missing unlock when we hit the "No beacon slot available"
error condition.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index cb53fbb..0ffa115 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1481,6 +1481,7 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ int ret = 0;
ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
mutex_lock(&sc->mutex);
@@ -1490,7 +1491,8 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
case NL80211_IFTYPE_ADHOC:
if (sc->nbcnvifs >= ATH_BCBUF) {
ath_err(common, "No beacon slot available\n");
- return -ENOBUFS;
+ ret = -ENOBUFS;
+ goto out;
}
break;
case NL80211_IFTYPE_STATION:
@@ -1504,14 +1506,15 @@ static int ath9k_change_interface(struct ieee80211_hw *hw,
default:
ath_err(common, "Interface type %d not yet supported\n",
vif->type);
- mutex_unlock(&sc->mutex);
- return -ENOTSUPP;
+ ret = -ENOTSUPP;
+ goto out;
}
vif->type = new_type;
vif->p2p = p2p;
+out:
mutex_unlock(&sc->mutex);
- return 0;
+ return ret;
}
static void ath9k_remove_interface(struct ieee80211_hw *hw,
reply other threads:[~2010-12-21 3:59 UTC|newest]
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