From: Jouni Malinen <jouni.malinen@atheros.com>
Date: Tue, 24 Feb 2009 11:40:01 +0000 (+0200)
Subject: ath9k: Unlock sc->mutex on error path
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=222d0b33b3778a8fa156f3fca284d0a71f8e966b;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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 1e3824215ac9..f5f5739a7a4b 100644
--- 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;
 	}