brcmfmac: fix get rssi by clearing getvar struct.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / wireless / brcm80211 / brcmfmac / wl_cfg80211.c

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index 28c5fbb4af267b59ef1c8bab67f2d4ac2d7e9485..c36e9231244317945107f6cc3da3aaea034cc379 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -1876,16 +1876,17 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
        }
 
        if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) {
-               scb_val.val = cpu_to_le32(0);
+               memset(&scb_val, 0, sizeof(scb_val));
                err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val,
                                      sizeof(struct brcmf_scb_val_le));
-               if (err)
+               if (err) {
                        WL_ERR("Could not get rssi (%d)\n", err);
-
-               rssi = le32_to_cpu(scb_val.val);
-               sinfo->filled |= STATION_INFO_SIGNAL;
-               sinfo->signal = rssi;
-               WL_CONN("RSSI %d dBm\n", rssi);
+               } else {
+                       rssi = le32_to_cpu(scb_val.val);
+                       sinfo->filled |= STATION_INFO_SIGNAL;
+                       sinfo->signal = rssi;
+                       WL_CONN("RSSI %d dBm\n", rssi);
+               }
        }
 
 done: