fbdev: udlfb: Use usb_control_msg_send()

Use the newly introduced usb_control_msg_send() instead of usb_control_msg()
when selecting the channel.

Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 256d9b61f4eaa51b57f2cfc3c3830064911786c3..dabc30a09f969876654280ddc31db0355c41de3b 100644 (file)
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -1543,24 +1543,16 @@ static const struct device_attribute fb_device_attrs[] = {
 static int dlfb_select_std_channel(struct dlfb_data *dlfb)
 {
        int ret;
-       void *buf;
        static const u8 set_def_chn[] = {
                                0x57, 0xCD, 0xDC, 0xA7,
                                0x1C, 0x88, 0x5E, 0x15,
                                0x60, 0xFE, 0xC6, 0x97,
                                0x16, 0x3D, 0x47, 0xF2  };
 
-       buf = kmemdup(set_def_chn, sizeof(set_def_chn), GFP_KERNEL);
-
-       if (!buf)
-               return -ENOMEM;
-
-       ret = usb_control_msg(dlfb->udev, usb_sndctrlpipe(dlfb->udev, 0),
-                       NR_USB_REQUEST_CHANNEL,
+       ret = usb_control_msg_send(dlfb->udev, 0, NR_USB_REQUEST_CHANNEL,
                        (USB_DIR_OUT | USB_TYPE_VENDOR), 0, 0,
-                       buf, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT);
-
-       kfree(buf);
+                       &set_def_chn, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT,
+                       GFP_KERNEL);
 
        return ret;
 }