From 89bb957ec8b054ea9994974f03848cb2f129f50c Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Mon, 27 Aug 2012 15:07:17 +0800 Subject: [PATCH] USB: cp210x: remove useless set memory to zero use memset() The memory return by kzalloc() or kmem_cache_zalloc() has already be set to zero, so remove useless memset(0). spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/cp210x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 1e71079ce33b..3f86cf3735a7 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -865,7 +865,6 @@ static int cp210x_startup(struct usb_serial *serial) if (!port_priv) return -ENOMEM; - memset(port_priv, 0x00, sizeof(*port_priv)); port_priv->bInterfaceNumber = serial->interface->cur_altsetting->desc.bInterfaceNumber;