mac80211: Fix reassociation by not clearing previous BSSID

We must not clear the previous BSSID when roaming to another AP within
the same ESS for reassociation to be used properly. It is fine to
clear this when the SSID changes, so let's move the code into
ieee80211_sta_set_ssid().

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2009-03-19 13:39:20 +02:00 committed by John W. Linville
parent 4b4698c443
commit a299542e97

View File

@ -1888,8 +1888,6 @@ int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
if (ifmgd->ssid_len)
ifmgd->flags |= IEEE80211_STA_SSID_SET;
else
@ -1908,6 +1906,10 @@ int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size
ifmgd = &sdata->u.mgd;
if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
/*
* Do not use reassociation if SSID is changed (different ESS).
*/
ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
memset(ifmgd->ssid, 0, sizeof(ifmgd->ssid));
memcpy(ifmgd->ssid, ssid, len);
ifmgd->ssid_len = len;