diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dw2102.c')
| -rw-r--r-- | drivers/media/dvb/dvb-usb/dw2102.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/dvb/dvb-usb/dw2102.c b/drivers/media/dvb/dvb-usb/dw2102.c index d312323504a4..058b2318abed 100644 --- a/drivers/media/dvb/dvb-usb/dw2102.c +++ b/drivers/media/dvb/dvb-usb/dw2102.c @@ -121,12 +121,16 @@ static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value, u16 index, u8 * data, u16 len, int flags) { int ret; - u8 u8buf[len]; - + u8 *u8buf; unsigned int pipe = (flags == DW210X_READ_MSG) ? usb_rcvctrlpipe(dev, 0) : usb_sndctrlpipe(dev, 0); u8 request_type = (flags == DW210X_READ_MSG) ? USB_DIR_IN : USB_DIR_OUT; + u8buf = kmalloc(len, GFP_KERNEL); + if (!u8buf) + return -ENOMEM; + + if (flags == DW210X_WRITE_MSG) memcpy(u8buf, data, len); ret = usb_control_msg(dev, pipe, request, request_type | USB_TYPE_VENDOR, @@ -134,6 +138,8 @@ static int dw210x_op_rw(struct usb_device *dev, u8 request, u16 value, if (flags == DW210X_READ_MSG) memcpy(data, u8buf, len); + + kfree(u8buf); return ret; } |