diff --git a/[refs] b/[refs]
index e4e204e8c86f..69b1fa527811 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eb3c5ed8617d0aa67648cb7d1a486d14099129f2
+refs/heads/master: 46f116eab81b21c6ae8c4f169498c632b1f94bf1
diff --git a/trunk/drivers/usb/class/cdc-acm.c b/trunk/drivers/usb/class/cdc-acm.c
index 16ecad30e29c..1b4751412970 100644
--- a/trunk/drivers/usb/class/cdc-acm.c
+++ b/trunk/drivers/usb/class/cdc-acm.c
@@ -827,11 +827,10 @@ static int acm_probe (struct usb_interface *intf,
 		return -ENODEV;
 	}
 
-	if (!(acm = kmalloc(sizeof(struct acm), GFP_KERNEL))) {
-		dev_dbg(&intf->dev, "out of memory (acm kmalloc)\n");
+	if (!(acm = kzalloc(sizeof(struct acm), GFP_KERNEL))) {
+		dev_dbg(&intf->dev, "out of memory (acm kzalloc)\n");
 		goto alloc_fail;
 	}
-	memset(acm, 0, sizeof(struct acm));
 
 	ctrlsize = le16_to_cpu(epctrl->wMaxPacketSize);
 	readsize = le16_to_cpu(epread->wMaxPacketSize);