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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-08-27 15:07:17 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-09-05 16:58:30 -0700
commit89bb957ec8b054ea9994974f03848cb2f129f50c (patch)
tree6b95932d9efdf3eb36d80b53a66722646dcef5d4 /drivers/usb/serial/cp210x.c
parent027c5215a9b584ed2c7c23870221a4429d35a981 (diff)
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>
Diffstat (limited to 'drivers/usb/serial/cp210x.c')
-rw-r--r--drivers/usb/serial/cp210x.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 1e71079ce33..3f86cf3735a 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;