diff options
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 96a70789b4c2..4d6a5c672a3d 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -496,12 +496,10 @@ static int cp210x_write_reg_block(struct usb_serial_port *port, u8 req, void *dmabuf; int result; - dmabuf = kmalloc(bufsize, GFP_KERNEL); + dmabuf = kmemdup(buf, bufsize, GFP_KERNEL); if (!dmabuf) return -ENOMEM; - memcpy(dmabuf, buf, bufsize); - result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), req, REQTYPE_HOST_TO_INTERFACE, 0, port_priv->bInterfaceNumber, dmabuf, bufsize, |