cfg80211: fix wext setting SSID

Pavel reported that you can't set the SSID from "foo" to
"bar". I tried reproducing, but used different values,
with different lengths, and thus never saw the obvious
problem.

Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index cd5764f..82e913a 100644 (file)
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -166,7 +166,7 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
 
        if (wdev->wext.connect.ssid && len &&
            len == wdev->wext.connect.ssid_len &&
-           memcmp(wdev->wext.connect.ssid, ssid, len))
+           memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
                goto out;
 
        if (wdev->sme_state != CFG80211_SME_IDLE) {