summaryrefslogtreecommitdiffstats
path: root/net/mac80211/scan.c
diff options
context:
space:
mode:
authorJohannes Berg <johannes@sipsolutions.net>2009-04-01 11:58:36 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-04-22 22:54:39 +0200
commitde95a54b1aebe5592cae971ca5e5d9ec6a381a17 (patch)
tree55a622d1e61e73cd6426c5e0643ac9fd117a9fe8 /net/mac80211/scan.c
parentcfg80211: introduce scan IE limit attribute (diff)
downloadlinux-de95a54b1aebe5592cae971ca5e5d9ec6a381a17.tar.xz
linux-de95a54b1aebe5592cae971ca5e5d9ec6a381a17.zip
mac80211: pass all probe request IEs to driver
Instead of just passing the cfg80211-requested IEs, pass the locally generated ones as well. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/scan.c')
-rw-r--r--net/mac80211/scan.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 3bf9839f5916..4ec1bfc7f6a9 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -285,6 +285,12 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (WARN_ON(!local->scan_req))
return;
+ if (local->hw_scanning) {
+ kfree(local->scan_req->ie);
+ local->scan_req->ie = local->orig_ies;
+ local->scan_req->ie_len = local->orig_ies_len;
+ }
+
if (local->scan_req != &local->int_scan_req)
cfg80211_scan_done(local->scan_req, aborted);
local->scan_req = NULL;
@@ -457,12 +463,28 @@ int ieee80211_start_scan(struct ieee80211_sub_if_data *scan_sdata,
}
if (local->ops->hw_scan) {
- int rc;
+ u8 *ies;
+ int rc, ielen;
+
+ ies = kmalloc(2 + IEEE80211_MAX_SSID_LEN +
+ local->scan_ies_len + req->ie_len, GFP_KERNEL);
+ if (!ies)
+ return -ENOMEM;
+
+ ielen = ieee80211_build_preq_ies(local, ies,
+ req->ie, req->ie_len);
+ local->orig_ies = req->ie;
+ local->orig_ies_len = req->ie_len;
+ req->ie = ies;
+ req->ie_len = ielen;
local->hw_scanning = true;
rc = local->ops->hw_scan(local_to_hw(local), req);
if (rc) {
local->hw_scanning = false;
+ kfree(ies);
+ req->ie_len = local->orig_ies_len;
+ req->ie = local->orig_ies;
return rc;
}
local->scan_sdata = scan_sdata;