From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 22 Mar 2013 17:32:10 +0000 (-0400)
Subject: USB: EHCI: remove unused variable in unlink_empty_async()
X-Git-Tag: v3.12-rc1~998^2~209
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=afc2c9a2c359c850cea097c60a5f2b596efbbd88;p=kernel%2Fkernel-generic.git

USB: EHCI: remove unused variable in unlink_empty_async()

This patch (as1669) removes the check_unlinks_later flag in ehci-hcd's
unlink_empty_async().  It wasn't being used for anything and should
have been removed in an earlier patch, but I forgot about it.

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

diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 820583b..50787a3 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1268,7 +1268,6 @@ static void unlink_empty_async(struct ehci_hcd *ehci)
 {
 	struct ehci_qh		*qh;
 	struct ehci_qh		*qh_to_unlink = NULL;
-	bool			check_unlinks_later = false;
 	int			count = 0;
 
 	/* Find the last async QH which has been empty for a timer cycle */
@@ -1276,9 +1275,7 @@ static void unlink_empty_async(struct ehci_hcd *ehci)
 		if (list_empty(&qh->qtd_list) &&
 				qh->qh_state == QH_STATE_LINKED) {
 			++count;
-			if (qh->unlink_cycle == ehci->async_unlink_cycle)
-				check_unlinks_later = true;
-			else
+			if (qh->unlink_cycle != ehci->async_unlink_cycle)
 				qh_to_unlink = qh;
 		}
 	}