From: Dmitry Shmidt <dimitrysh@google.com>
Date: Thu, 15 Sep 2011 16:22:35 +0000 (-0700)
Subject: net: wireless: Add CFG80211_ALLOW_RECONNECT option
X-Git-Tag: firefly_0821_release~4090^2~802
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b6a4d75f2a32e5aa5c0be999ffd1c9fd35091b70;p=firefly-linux-kernel-4.4.55.git

net: wireless: Add CFG80211_ALLOW_RECONNECT option

Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
---

diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 16d08b399210..4c602d100480 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -166,3 +166,14 @@ config LIB80211_DEBUG
 	  from lib80211.
 
 	  If unsure, say N.
+
+config CFG80211_ALLOW_RECONNECT
+	bool "Allow reconnect while already connected"
+	depends on CFG80211
+	default n
+	help
+	  cfg80211 stack doesn't allow to connect if you are already
+	  connected. This option allows to make a connection in this case.
+
+	  Select this option ONLY for wlan drivers that are specifically
+	  built for such purposes.
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 3ed35c345cae..c260e39ea055 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -785,8 +785,10 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
 
 	ASSERT_WDEV_LOCK(wdev);
 
+#ifndef CONFIG_CFG80211_ALLOW_RECONNECT
 	if (wdev->sme_state != CFG80211_SME_IDLE)
 		return -EALREADY;
+#endif
 
 	if (WARN_ON(wdev->connect_keys)) {
 		kfree(wdev->connect_keys);