mwifiex: remove redundant initialization for bss_descriptor

Initialization of bss_descriptor is unnecessary as the entire
structure will be overwritten by a memcpy followed by.

Initialize disable_11ac flag properly by setting it to true in
mwifiex_fill_new_bss_desc().

Reported-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/scan.c

@@ -1500,36 +1500,7 @@ static int mwifiex_update_curr_bss_params(struct mwifiex_private *priv,
 	if (ret)
 		goto done;
 
-	/* Update current bss descriptor parameters */
 	spin_lock_irqsave(&priv->curr_bcn_buf_lock, flags);
-	priv->curr_bss_params.bss_descriptor.bcn_wpa_ie = NULL;
-	priv->curr_bss_params.bss_descriptor.wpa_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_rsn_ie = NULL;
-	priv->curr_bss_params.bss_descriptor.rsn_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_wapi_ie = NULL;
-	priv->curr_bss_params.bss_descriptor.wapi_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_ht_cap = NULL;
-	priv->curr_bss_params.bss_descriptor.ht_cap_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_ht_oper = NULL;
-	priv->curr_bss_params.bss_descriptor.ht_info_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_bss_co_2040 = NULL;
-	priv->curr_bss_params.bss_descriptor.bss_co_2040_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_ext_cap = NULL;
-	priv->curr_bss_params.bss_descriptor.ext_cap_offset = 0;
-	priv->curr_bss_params.bss_descriptor.beacon_buf = NULL;
-	priv->curr_bss_params.bss_descriptor.beacon_buf_size = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_vht_cap = NULL;
-	priv->curr_bss_params.bss_descriptor.vht_cap_offset = 0;
-	priv->curr_bss_params.bss_descriptor.bcn_vht_oper = NULL;
-	priv->curr_bss_params.bss_descriptor.vht_info_offset = 0;
-	priv->curr_bss_params.bss_descriptor.oper_mode = NULL;
-	priv->curr_bss_params.bss_descriptor.oper_mode_offset = 0;
-
-	/* Disable 11ac by default. Enable it only where there
-	 * exist VHT_CAP IE in AP beacon
-	 */
-	priv->curr_bss_params.bss_descriptor.disable_11ac = true;
-
 	/* Make a copy of current BSSID descriptor */
 	memcpy(&priv->curr_bss_params.bss_descriptor, bss_desc,
 	       sizeof(priv->curr_bss_params.bss_descriptor));

drivers/net/wireless/mwifiex/sta_ioctl.c

@@ -184,6 +184,11 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
 	else
 		bss_desc->bss_mode = NL80211_IFTYPE_STATION;
 
+	/* Disable 11ac by default. Enable it only where there
+	 * exist VHT_CAP IE in AP beacon
+	 */
+	bss_desc->disable_11ac = true;
+
 	return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
 }