| Message ID | 20230519211625.1072966-1-deller@gmx.de |
|---|---|
| State | New |
| Headers | show |
| Series | fbdev: udlfb: Use usb_control_msg_send() | expand |
On Fri, May 19, 2023 at 11:16:25PM +0200, Helge Deller wrote: > Use the newly introduced usb_control_msg_send() instead of usb_control_msg() > when selecting the channel. > > Signed-off-by: Helge Deller <deller@gmx.de> > --- > drivers/video/fbdev/udlfb.c | 14 +++----------- > 1 file changed, 3 insertions(+), 11 deletions(-) > > diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c > index 256d9b61f4ea..dabc30a09f96 100644 > --- 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; > } Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index 256d9b61f4ea..dabc30a09f96 100644 --- 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; }
Use the newly introduced usb_control_msg_send() instead of usb_control_msg() when selecting the channel. Signed-off-by: Helge Deller <deller@gmx.de> --- drivers/video/fbdev/udlfb.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) -- 2.40.0