wl1271: Don't generate null func template for ad-hoc

The null func template is not needed for ad-hoc, and it's generation is not
supported for ad-hoc (mac80211 will WARN about it.)

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 035ddc0..d005729 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -709,18 +709,30 @@ out:
 
 int wl1271_cmd_build_null_data(struct wl1271 *wl)
 {
-       struct sk_buff *skb;
-       int ret = 0;
+       struct sk_buff *skb = NULL;
+       int size;
+       void *ptr;
+       int ret = -ENOMEM;
 
-       skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
-       if (!skb)
-               goto out;
 
-       ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, skb->data,
-                                     skb->len);
+       if (wl->bss_type == BSS_TYPE_IBSS) {
+               size = sizeof(struct wl12xx_null_data_template);
+               ptr = NULL;
+       } else {
+               skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
+               if (!skb)
+                       goto out;
+               size = skb->len;
+               ptr = skb->data;
+       }
+
+       ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size);
 
 out:
        dev_kfree_skb(skb);
+       if (ret)
+               wl1271_warning("cmd buld null data failed %d", ret);
+
        return ret;
 
 }

diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index befc2e9..6f6d366 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -1619,12 +1619,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
             */
            memcmp(wl->bssid, bss_conf->bssid, ETH_ALEN)) {
                        memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN);
+
                        ret = wl1271_cmd_build_null_data(wl);
-                       if (ret < 0) {
-                               wl1271_warning("cmd buld null data failed %d",
-                                              ret);
+                       if (ret < 0)
                                goto out_sleep;
-                       }
 
                        /* filter out all packets not from this BSSID */
                        wl1271_configure_filters(wl, 0);