mwifiex: remove redundant local structures

Avoid use of local structure in the function if the structure is
already allocated by the caller and the structure pointer is passed.
Signed-off-by: NAmitkumar Karwar <akarwar@marvell.com>
Signed-off-by: NBing Zhao <bzhao@marvell.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/mwifiex/sta_ioctl.c

@@ -1250,11 +1250,9 @@ mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
 int mwifiex_get_signal_info(struct mwifiex_private *priv,
 			    struct mwifiex_ds_get_signal *signal)
 {
-	struct mwifiex_ds_get_signal info;
 	int status;
 
-	memset(&info, 0, sizeof(struct mwifiex_ds_get_signal));
-	info.selector = ALL_RSSI_INFO_MASK;
+	signal->selector = ALL_RSSI_INFO_MASK;
 
 	/* Signal info can be obtained only if connected */
 	if (!priv->media_connected) {
@@ -1267,13 +1265,10 @@ int mwifiex_get_signal_info(struct mwifiex_private *priv,
 				       HostCmd_ACT_GEN_GET, 0, signal);
 
 	if (!status) {
-		if (signal)
-			memcpy(signal, &info,
-			       sizeof(struct mwifiex_ds_get_signal));
-		if (info.selector & BCN_RSSI_AVG_MASK)
-			priv->w_stats.qual.level = info.bcn_rssi_avg;
-		if (info.selector & BCN_NF_AVG_MASK)
-			priv->w_stats.qual.noise = info.bcn_nf_avg;
+		if (signal->selector & BCN_RSSI_AVG_MASK)
+			priv->w_stats.qual.level = signal->bcn_rssi_avg;
+		if (signal->selector & BCN_NF_AVG_MASK)
+			priv->w_stats.qual.noise = signal->bcn_nf_avg;
 	}
 
 	return status;
@@ -1333,19 +1328,14 @@ mwifiex_get_stats_info(struct mwifiex_private *priv,
 		       struct mwifiex_ds_get_stats *log)
 {
 	int ret;
-	struct mwifiex_ds_get_stats get_log;
 
-	memset(&get_log, 0, sizeof(struct mwifiex_ds_get_stats));
 	ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_GET_LOG,
-				    HostCmd_ACT_GEN_GET, 0, &get_log);
+				    HostCmd_ACT_GEN_GET, 0, log);
 
 	if (!ret) {
-		if (log)
-			memcpy(log, &get_log, sizeof(struct
-					mwifiex_ds_get_stats));
-		priv->w_stats.discard.fragment = get_log.fcs_error;
-		priv->w_stats.discard.retries = get_log.retry;
-		priv->w_stats.discard.misc = get_log.ack_failure;
+		priv->w_stats.discard.fragment = log->fcs_error;
+		priv->w_stats.discard.retries = log->retry;
+		priv->w_stats.discard.misc = log->ack_failure;
 	}
 
 	return ret;