USB: Add a usb_pipe_endpoint() convenience function
Converting a pipe number to a struct usb_host_endpoint pointer is a little
messy. Introduce a new convenience function to hide the mess.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index a760e46..7c05555 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -308,8 +308,7 @@
* will be required to set urb->ep directly and we will eliminate
* urb->pipe.
*/
- ep = (usb_pipein(urb->pipe) ? dev->ep_in : dev->ep_out)
- [usb_pipeendpoint(urb->pipe)];
+ ep = usb_pipe_endpoint(dev, urb->pipe);
if (!ep)
return -ENOENT;