[PATCH] USB: net2280 short rx status fix

Some patch broke short-OUT packet handling for net2280, making it report
illegal status values.  This updates the status code so it's correct.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 7682c07..6a4b93a 100644 (file)
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2241,7 +2241,8 @@ static void handle_ep_small (struct net2280_ep *ep)
                        if (likely (req)) {
                                req->td->dmacount = 0;
                                t = readl (&ep->regs->ep_avail);
-                               dma_done (ep, req, count, t);
+                               dma_done (ep, req, count,
+                                       (ep->out_overflow || t) ? -EOVERFLOW : 0);
                        }
 
                        /* also flush to prevent erratum 0106 trouble */