Commit bdddc253 authored by Vincent Mailhol's avatar Vincent Mailhol Committed by Greg Kroah-Hartman
Browse files

usb: rework usb_maxpacket() using usb_pipe_endpoint() 



Rework the body of usb_maxpacket() and just rely on the
usb_pipe_endpoint() helper function to retrieve the host endpoint
instead of doing it by hand.

Signed-off-by: default avatarVincent Mailhol <mailhol.vincent@wanadoo.fr>
Link: https://lore.kernel.org/r/20220317035514.6378-10-mailhol.vincent@wanadoo.fr


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2ddf7617

include/linux/usb.h

+1 −7
Original line number Diff line number Diff line
@@ -1971,13 +1971,7 @@ usb_pipe_endpoint(struct usb_device *dev, unsigned int pipe) 


static inline u16 usb_maxpacket(struct usb_device *udev, int pipe)

{

	struct usb_host_endpoint	*ep;

	unsigned			epnum = usb_pipeendpoint(pipe);



	if (usb_pipeout(pipe))

		ep = udev->ep_out[epnum];

	else

		ep = udev->ep_in[epnum];

	struct usb_host_endpoint *ep = usb_pipe_endpoint(udev, pipe);



	if (!ep)

		return 0;