Module Name:    src
Committed By:   christos
Date:           Tue Jan 15 23:57:13 UTC 2013

Modified Files:
        src/sys/dev/usb: usbdi.c

Log Message:
Don't do the xfer once, wait till it is done. I did not find this, someone
else did. Fixes slow devices such as scanners.


To generate a diff of this commit:
cvs rdiff -u -r1.142 -r1.143 src/sys/dev/usb/usbdi.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/usb/usbdi.c
diff -u src/sys/dev/usb/usbdi.c:1.142 src/sys/dev/usb/usbdi.c:1.143
--- src/sys/dev/usb/usbdi.c:1.142	Sat Jan  5 18:34:20 2013
+++ src/sys/dev/usb/usbdi.c	Tue Jan 15 18:57:13 2013
@@ -1,4 +1,4 @@
-/*	$NetBSD: usbdi.c,v 1.142 2013/01/05 23:34:20 christos Exp $	*/
+/*	$NetBSD: usbdi.c,v 1.143 2013/01/15 23:57:13 christos Exp $	*/
 
 /*
  * Copyright (c) 1998, 2012 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.142 2013/01/05 23:34:20 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.143 2013/01/15 23:57:13 christos Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -319,7 +319,7 @@ usbd_transfer(usbd_xfer_handle xfer)
 	if (err != USBD_IN_PROGRESS)
 		return (err);
 	usbd_lock_pipe(pipe);
-	if (!xfer->done) {
+	while (!xfer->done) {
 		if (pipe->device->bus->use_polling)
 			panic("usbd_transfer: not done");
 

Reply via email to