libertas: release bss references and avoid warning from cfg80211_inform_bss

  CC [M]  drivers/net/wireless/libertas/cfg.o
drivers/net/wireless/libertas/cfg.c: In function ‘lbs_ret_scan’:
drivers/net/wireless/libertas/cfg.c:636:24: warning: ignoring return value of ‘cfg80211_inform_bss’, declared with attribute warn_unused_result
drivers/net/wireless/libertas/cfg.c: In function ‘lbs_join_post’:
drivers/net/wireless/libertas/cfg.c:1766:21: warning: ignoring return value of ‘cfg80211_inform_bss’, declared with attribute warn_unused_result

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 4fcd653..89f34ad 100644 (file)
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -485,6 +485,7 @@ static int lbs_cfg_set_channel(struct wiphy *wiphy,
 static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
        struct cmd_header *resp)
 {
+       struct cfg80211_bss *bss;
        struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
        int bsssize;
        const u8 *pos;
@@ -632,12 +633,14 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
                                     LBS_SCAN_RSSI_TO_MBM(rssi)/100);
 
                        if (channel &&
-                           !(channel->flags & IEEE80211_CHAN_DISABLED))
-                               cfg80211_inform_bss(wiphy, channel,
+                           !(channel->flags & IEEE80211_CHAN_DISABLED)) {
+                               bss = cfg80211_inform_bss(wiphy, channel,
                                        bssid, le64_to_cpu(*(__le64 *)tsfdesc),
                                        capa, intvl, ie, ielen,
                                        LBS_SCAN_RSSI_TO_MBM(rssi),
                                        GFP_KERNEL);
+                               cfg80211_put_bss(bss);
+                       }
                } else
                        lbs_deb_scan("scan response: missing BSS channel IE\n");
 
@@ -1720,6 +1723,7 @@ static void lbs_join_post(struct lbs_private *priv,
                   2 + 2 +                      /* atim */
                   2 + 8];                      /* extended rates */
        u8 *fake = fake_ie;
+       struct cfg80211_bss *bss;
 
        lbs_deb_enter(LBS_DEB_CFG80211);
 
@@ -1763,14 +1767,15 @@ static void lbs_join_post(struct lbs_private *priv,
        *fake++ = 0x6c;
        lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie);
 
-       cfg80211_inform_bss(priv->wdev->wiphy,
-                           params->channel,
-                           bssid,
-                           0,
-                           capability,
-                           params->beacon_interval,
-                           fake_ie, fake - fake_ie,
-                           0, GFP_KERNEL);
+       bss = cfg80211_inform_bss(priv->wdev->wiphy,
+                                 params->channel,
+                                 bssid,
+                                 0,
+                                 capability,
+                                 params->beacon_interval,
+                                 fake_ie, fake - fake_ie,
+                                 0, GFP_KERNEL);
+       cfg80211_put_bss(bss);
 
        memcpy(priv->wdev->ssid, params->ssid, params->ssid_len);
        priv->wdev->ssid_len = params->ssid_len;