From 70e1b678ee030ddd01336e223996fbdd2b13cb22 Mon Sep 17 00:00:00 2001
From: Andrew Thompson <thompsa@FreeBSD.org>
Date: Mon, 19 Jan 2009 21:22:10 +0000
Subject: [PATCH] Set the pipe pointer before calling usbd_transfer() as its
 possible for the xfer callback to be invoked on error.

MFC after:	2 weeks
---
 sys/dev/usb/usbdi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/usb/usbdi.c b/sys/dev/usb/usbdi.c
index 8f0ce0f46d6..a733bbf8de0 100644
--- a/sys/dev/usb/usbdi.c
+++ b/sys/dev/usb/usbdi.c
@@ -237,8 +237,8 @@ usbd_open_pipe_intr(usbd_interface_handle iface, u_int8_t address,
 	    USBD_NO_TIMEOUT, cb);
 	ipipe->intrxfer = xfer;
 	ipipe->repeat = 1;
-	err = usbd_transfer(xfer);
 	*pipe = ipipe;
+	err = usbd_transfer(xfer);
 	if (err != USBD_IN_PROGRESS && err)
 		goto bad2;
 	return (USBD_NORMAL_COMPLETION);