cfg80211: fix disabling WPA via wext (SIOCSIWAUTH)
cfg80211_set_wpa_version completely missed the use case when disabling
WPA, considering IW_AUTH_WPA_VERSION_DISABLED an invalid argument. This
caused weird error messages in wpa_supplicant.
Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index aa80c0c..e6731bf 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -880,9 +880,19 @@
wdev->wext.connect.crypto.wpa_versions = 0;
if (wpa_versions & ~(IW_AUTH_WPA_VERSION_WPA |
- IW_AUTH_WPA_VERSION_WPA2))
+ IW_AUTH_WPA_VERSION_WPA2|
+ IW_AUTH_WPA_VERSION_DISABLED))
return -EINVAL;
+ if ((wpa_versions & IW_AUTH_WPA_VERSION_DISABLED) &&
+ (wpa_versions & (IW_AUTH_WPA_VERSION_WPA|
+ IW_AUTH_WPA_VERSION_WPA2)))
+ return -EINVAL;
+
+ if (wpa_versions & IW_AUTH_WPA_VERSION_DISABLED)
+ wdev->wext.connect.crypto.wpa_versions &=
+ ~(NL80211_WPA_VERSION_1|NL80211_WPA_VERSION_2);
+
if (wpa_versions & IW_AUTH_WPA_VERSION_WPA)
wdev->wext.connect.crypto.wpa_versions |=
NL80211_WPA_VERSION_1;