ath9k: Unlock sc->mutex on error path

An error path in ath9k_add_interface() did not unlock the sc->mutex and
could leave the driver in quite unresponsive state.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 1e3824215ac9a066e1e6315edb03481f252ec81f..f5f5739a7a4bd1408dbdac360dba886d30a09106 100644 (file)
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -2145,6 +2145,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
        default:
                DPRINTF(sc, ATH_DBG_FATAL,
                        "Interface type %d not yet supported\n", conf->type);
+               mutex_unlock(&sc->mutex);
                return -EOPNOTSUPP;
        }