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Commit 89bb957e authored by Wei Yongjun's avatar Wei Yongjun Committed by Greg Kroah-Hartman
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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: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 027c5215

drivers/usb/serial/cp210x.c

+0 −1
Original line number Diff line number Diff line
@@ -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;