From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 14 Apr 2006 20:40:00 +0000 (-0400)
Subject: [PATCH] USB: net2280: Handle STALLs for 0-length control-IN requests
X-Git-Tag: firefly_0821_release~35961^2~7
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a29fccd7993a3d411674e148cb0759a017be3e21;p=firefly-linux-kernel-4.4.55.git

[PATCH] USB: net2280: Handle STALLs for 0-length control-IN requests

This patch (as668) fixes a typo in net2280.  The handler for 0-length
control-IN requests should check that the endpoint _isn't_ halted before
sending a 0-length packet.

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

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 6a4b93ad1082..2d5cededcbd7 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2166,7 +2166,7 @@ static void handle_ep_small (struct net2280_ep *ep)
 					ep->stopped = 1;
 					set_halt (ep);
 					mode = 2;
-				} else if (!req && ep->stopped)
+				} else if (!req && !ep->stopped)
 					write_fifo (ep, NULL);
 			}
 		} else {