[PATCH -next] media: dvb-usb-v2/gl861: Use kmemdup rather than duplicating its implementation in gl861_i2c_write_ex

[YueHaibing <yuehaibing@xxxxxxxxxx>]

Use kmemdup rather than duplicating its implementation

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/media/usb/dvb-usb-v2/gl861.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb-v2/gl861.c b/drivers/media/usb/dvb-usb-v2/gl861.c
index 0559417..80fed44 100644
--- a/drivers/media/usb/dvb-usb-v2/gl861.c
+++ b/drivers/media/usb/dvb-usb-v2/gl861.c
@@ -200,11 +200,10 @@ struct friio_config {
 	u8 *buf;
 	int ret;
 
-	buf = kmalloc(wlen, GFP_KERNEL);
+	buf = kmemdup(wbuf, wlen, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
-	memcpy(buf, wbuf, wlen);
 	ret = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0),
 				 GL861_REQ_I2C_RAW, GL861_WRITE,
 				 addr << (8 + 1), 0x0100, buf, wlen, 2000);