Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=107acb23ba763197d390ae9ffd347f3e2a524d39
Commit:     107acb23ba763197d390ae9ffd347f3e2a524d39
Parent:     cffdd30d20d163343b1c6de25bcb0cc978a1ebf9
Author:     Bill Moss <[EMAIL PROTECTED]>
AuthorDate: Wed Oct 10 16:23:55 2007 -0400
Committer:  John W. Linville <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 21:32:37 2007 -0400

    [PATCH] mac80211: honor IW_SCAN_THIS_ESSID in siwscan ioctl
    
    This patch fixes the problem of associating with wpa_secured hidden
    AP.  Please try out.
    
    The original author of this patch is Bill Moss <[EMAIL PROTECTED]>
    
    Signed-off-by: Abhijeet Kolekar <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
 net/mac80211/ieee80211_ioctl.c |   40 ++++++++++++++++++++++++----------------
 1 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 6b4b0d5..a57fed7 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -511,32 +511,40 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
 
 static int ieee80211_ioctl_siwscan(struct net_device *dev,
                                   struct iw_request_info *info,
-                                  struct iw_point *data, char *extra)
+                                  union iwreq_data *wrqu, char *extra)
 {
        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
        struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+       struct iw_scan_req *req = NULL;
        u8 *ssid = NULL;
        size_t ssid_len = 0;
 
        if (!netif_running(dev))
                return -ENETDOWN;
 
-       switch (sdata->type) {
-       case IEEE80211_IF_TYPE_STA:
-       case IEEE80211_IF_TYPE_IBSS:
-               if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
-                       ssid = sdata->u.sta.ssid;
-                       ssid_len = sdata->u.sta.ssid_len;
-               }
-               break;
-       case IEEE80211_IF_TYPE_AP:
-               if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
-                       ssid = sdata->u.ap.ssid;
-                       ssid_len = sdata->u.ap.ssid_len;
+       if (wrqu->data.length == sizeof(struct iw_scan_req) &&
+           wrqu->data.flags & IW_SCAN_THIS_ESSID) {
+               req = (struct iw_scan_req *)extra;
+               ssid = req->essid;
+               ssid_len = req->essid_len;
+       } else {
+               switch (sdata->type) {
+               case IEEE80211_IF_TYPE_STA:
+               case IEEE80211_IF_TYPE_IBSS:
+                       if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+                               ssid = sdata->u.sta.ssid;
+                               ssid_len = sdata->u.sta.ssid_len;
+                       }
+                       break;
+               case IEEE80211_IF_TYPE_AP:
+                       if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+                               ssid = sdata->u.ap.ssid;
+                               ssid_len = sdata->u.ap.ssid_len;
+                       }
+                       break;
+               default:
+                       return -EOPNOTSUPP;
                }
-               break;
-       default:
-               return -EOPNOTSUPP;
        }
 
        return ieee80211_sta_req_scan(dev, ssid, ssid_len);
-
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