[PATCH] libertas: changed some occurences of kmalloc() + memset(&a,0,sz) to kzalloc()

The subject says it all.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas/cmd.c

@@ -1482,28 +1482,24 @@ int libertas_allocate_cmd_buffer(wlan_private * priv)
 	/* Allocate and initialize cmdCtrlNode */
 	ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
 
-	if (!(tempcmd_array = kmalloc(ulbufsize, GFP_KERNEL))) {
+	if (!(tempcmd_array = kzalloc(ulbufsize, GFP_KERNEL))) {
 		lbs_deb_cmd(
 		       "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
 		ret = -1;
 		goto done;
 	}
-
 	adapter->cmd_array = tempcmd_array;
-	memset(adapter->cmd_array, 0, ulbufsize);
 
 	/* Allocate and initialize command buffers */
 	ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
 	for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
-		if (!(ptempvirtualaddr = kmalloc(ulbufsize, GFP_KERNEL))) {
+		if (!(ptempvirtualaddr = kzalloc(ulbufsize, GFP_KERNEL))) {
 			lbs_deb_cmd(
 			       "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
 			ret = -1;
 			goto done;
 		}
 
-		memset(ptempvirtualaddr, 0, ulbufsize);
-
 		/* Update command buffer virtual */
 		tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
 	}

drivers/net/wireless/libertas/fw.c

@@ -139,13 +139,11 @@ static int wlan_allocate_adapter(wlan_private * priv)
 
 	/* Allocate buffer to store the BSSID list */
 	ulbufsize = sizeof(struct bss_descriptor) * MRVDRV_MAX_BSSID_LIST;
-	if (!(ptempscantable = kmalloc(ulbufsize, GFP_KERNEL))) {
+	if (!(ptempscantable = kzalloc(ulbufsize, GFP_KERNEL))) {
 		libertas_free_adapter(priv);
 		return -1;
 	}
-
 	adapter->scantable = ptempscantable;
-	memset(adapter->scantable, 0, ulbufsize);
 
 	/* Allocate the command buffers */
 	libertas_allocate_cmd_buffer(priv);

drivers/net/wireless/libertas/main.c

@@ -777,18 +777,14 @@ wlan_private *wlan_add_card(void *card)
 		lbs_pr_err("init ethX device failed\n");
 		return NULL;
 	}
-
 	priv = dev->priv;
 
 	/* allocate buffer for wlan_adapter */
-	if (!(priv->adapter = kmalloc(sizeof(wlan_adapter), GFP_KERNEL))) {
+	if (!(priv->adapter = kzalloc(sizeof(wlan_adapter), GFP_KERNEL))) {
 		lbs_pr_err("allocate buffer for wlan_adapter failed\n");
-		goto err_kmalloc;
+		goto err_kzalloc;
 	}
 
-	/* init wlan_adapter */
-	memset(priv->adapter, 0, sizeof(wlan_adapter));
-
 	priv->wlan_dev.netdev = dev;
 	priv->wlan_dev.card = card;
 	priv->mesh_open = 0;
@@ -802,14 +798,10 @@ wlan_private *wlan_add_card(void *card)
 	dev->stop = wlan_close;
 	dev->do_ioctl = libertas_do_ioctl;
 	dev->set_mac_address = wlan_set_mac_address;
-
-#define	WLAN_WATCHDOG_TIMEOUT	(5 * HZ)
-
 	dev->tx_timeout = wlan_tx_timeout;
 	dev->get_stats = wlan_get_stats;
-	dev->watchdog_timeo = WLAN_WATCHDOG_TIMEOUT;
+	dev->watchdog_timeo = 5 * HZ;
 	dev->ethtool_ops = &libertas_ethtool_ops;
-
 #ifdef	WIRELESS_EXT
 	dev->wireless_handlers = (struct iw_handler_def *)&libertas_handler_def;
 #endif
@@ -875,7 +867,7 @@ err_registerdev:
 	wake_up_interruptible(&priv->mainthread.waitq);
 	wlan_terminate_thread(&priv->mainthread);
 	kfree(priv->adapter);
-err_kmalloc:
+err_kzalloc:
 	free_netdev(dev);
 
 	lbs_deb_leave_args(LBS_DEB_NET, "priv NULL");