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[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>
wifi-calibration
Alan Stern 2006-04-14 16:42:03 -04:00 committed by Greg Kroah-Hartman
parent a29fccd799
commit 317e83b842
1 changed files with 1 additions and 3 deletions
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4
drivers/usb/gadget/net2280.c
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@ -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;
}