From 317e83b842ba39776054219ae29844127876416a Mon Sep 17 00:00:00 2001
From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 14 Apr 2006 16:42:03 -0400
Subject: [PATCH] [PATCH] USB: net2280: send 0-length packets for ep0
This patch (as669) fixes a bug in the net2280 driver. Now it will
properly send zero-length packets on ep0 until the control status stage
occurs.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/gadget/net2280.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 2d5cededcbd75..c842b194cf0f6 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2280,9 +2280,7 @@ static void handle_ep_small (struct net2280_ep *ep)
/* if we wrote it all, we're usually done */
if (req->req.actual == req->req.length) {
if (ep->num == 0) {
- /* wait for control status */
- if (mode != 2)
- req = NULL;
+ /* send zlps until the status stage */
} else if (!req->req.zero || len != ep->ep.maxpacket)
mode = 2;
}
--
2.30.2