1 files changed, 18 insertions, 13 deletions

diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index e5ac04739bcc..eaf249452e51 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -4508,6 +4508,7 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct il_priv *il = hw->priv;
         int err;
+        bool reset;
 
         mutex_lock(&il->mutex);
         D_MAC80211("enter: type %d, addr %pM\n", vif->type, vif->addr);
@@ -4518,7 +4519,12 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
                 goto out;
         }
 
-        if (il->vif) {
+        /*
+         * We do not support multiple virtual interfaces, but on hardware reset
+         * we have to add the same interface again.
+         */
+        reset = (il->vif == vif);
+        if (il->vif && !reset) {
                 err = -EOPNOTSUPP;
                 goto out;
         }
@@ -4528,8 +4534,11 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 
         err = il_set_mode(il);
         if (err) {
-                il->vif = NULL;
-                il->iw_mode = NL80211_IFTYPE_STATION;
+                IL_WARN("Fail to set mode %d\n", vif->type);
+                if (!reset) {
+                        il->vif = NULL;
+                        il->iw_mode = NL80211_IFTYPE_STATION;
+                }
         }
 
 out:
@@ -5279,9 +5288,9 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                 D_MAC80211("BSSID %pM\n", bss_conf->bssid);
 
                 /*
-                 * If there is currently a HW scan going on in the
-                 * background then we need to cancel it else the RXON
-                 * below/in post_associate will fail.
+                 * If there is currently a HW scan going on in the background,
+                 * then we need to cancel it, otherwise sometimes we are not
+                 * able to authenticate (FIXME: why ?)
                  */
                 if (il_scan_cancel_timeout(il, 100)) {
                         D_MAC80211("leave - scan abort failed\n");
@@ -5290,14 +5299,10 @@ il_mac_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
                 }
 
                 /* mac80211 only sets assoc when in STATION mode */
-                if (vif->type == NL80211_IFTYPE_ADHOC || bss_conf->assoc) {
-                        memcpy(il->staging.bssid_addr, bss_conf->bssid,
-                               ETH_ALEN);
+                memcpy(il->staging.bssid_addr, bss_conf->bssid, ETH_ALEN);
 
-                        /* currently needed in a few places */
-                        memcpy(il->bssid, bss_conf->bssid, ETH_ALEN);
-                } else
-                        il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
+                /* FIXME: currently needed in a few places */
+                memcpy(il->bssid, bss_conf->bssid, ETH_ALEN);
         }
 
         /*