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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 <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2012-08-27 15:07:17 +08:00 committed by Greg Kroah-Hartman
parent 027c5215a9
commit 89bb957ec8
1 changed files with 0 additions and 1 deletions
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1
drivers/usb/serial/cp210x.c
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@ -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;