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From: Hans Petter Selasky <hselasky@FreeBSD.org>
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Subject: PERFORCE change 106357 for review
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http://perforce.freebsd.org/chv.cgi?CH=106357

Change 106357 by hselasky@hselasky_mini_itx on 2006/09/19 20:19:55

	USB-cdev bugfix. Prevent devices with no start_write
	function from waiting forever at close, if there is
	queued data.

Affected files ...

.. //depot/projects/usb/src/sys/dev/usb/usb_cdev.c#9 edit

Differences ...

==== //depot/projects/usb/src/sys/dev/usb/usb_cdev.c#9 (text+ko) ====

@@ -951,6 +951,13 @@
     return;
 }
 
+static void
+usb_cdev_dummy_start_write(struct usb_cdev *sc)
+{
+    sc->sc_flags &= ~USB_CDEV_FLAG_FLUSHING_WRITE;
+    return;
+} 
+
 static u_int8_t minor_table[(1<<16) / 8];
 
 static u_int32_t
@@ -1036,7 +1043,7 @@
 	}
 
 	if (sc->sc_start_write == NULL) {
-	    sc->sc_start_write = &usb_cdev_dummy_cmd;
+	    sc->sc_start_write = &usb_cdev_dummy_start_write;
 	}
 
 	if (sc->sc_stop_write == NULL) {