From: Alan Stern <stern@rowland.harvard.edu>
Date: Wed, 22 Aug 2007 17:06:53 +0000 (-0400)
Subject: USB: fix mistake in usb_hcd_giveback_urb
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1f5a3d0f34fd5719081c6b8f3dbbcbe328d4da31;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

USB: fix mistake in usb_hcd_giveback_urb

This patch (as971) fixes a small mistake: The URB's completion status
needs to be adjusted before the URB is passed to usmon_urb_complete(),
not afterward.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index ec17fc4d2861..8b17babf5c55 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1266,9 +1266,6 @@ int usb_hcd_unlink_urb (struct urb *urb, int status)
  */
 void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb)
 {
-	unmap_urb_for_dma(hcd, urb);
-	usbmon_urb_complete (&hcd->self, urb);
-	usb_unanchor_urb(urb);
 	urb->hcpriv = NULL;
 	if (unlikely(urb->unlinked))
 		urb->status = urb->unlinked;
@@ -1277,6 +1274,10 @@ void usb_hcd_giveback_urb (struct usb_hcd *hcd, struct urb *urb)
 			!urb->status))
 		urb->status = -EREMOTEIO;
 
+	unmap_urb_for_dma(hcd, urb);
+	usbmon_urb_complete(&hcd->self, urb);
+	usb_unanchor_urb(urb);
+
 	/* pass ownership to the completion handler */
 	urb->complete (urb);
 	atomic_dec (&urb->use_count);