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>

1 files changed, 15 insertions, 10 deletions

diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 4fcd653bddc4..89f34ad8d34a 100644
--- 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;