mac80211: fix for incorrect sequence number on hostapd injected frames

When hostapd injects a frame, e.g. an authentication or association
response, mac80211 looks for a suitable access point virtual interface
to associate the frame with based on its source address. This makes it
possible e.g. to correctly assign sequence numbers to the frames.

A small typo in the ethernet address comparison statement caused a
failure to find a suitable ap interface. Sequence numbers on such
frames where therefore left unassigned causing some clients
(especially windows-based 11b/g clients) to reject them and fail to
authenticate or associate with the access point. This patch fixes the
typo in the address comparison statement.

Signed-off-by: Björn Smedman <bjorn.smedman@venatech.se>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index db4bda6..eaa4118 100644 (file)
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1445,7 +1445,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
                                if (tmp_sdata->vif.type != NL80211_IFTYPE_AP)
                                        continue;
                                if (compare_ether_addr(tmp_sdata->dev->dev_addr,
-                                                      hdr->addr2)) {
+                                                      hdr->addr2) == 0) {
                                        dev_hold(tmp_sdata->dev);
                                        dev_put(sdata->dev);
                                        sdata = tmp_sdata;