This is a note to let you know that I've just added the patch titled
usb: gadget: composite: reset delayed_status on reset_config
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-gadget-composite-reset-delayed_status-on-reset_config.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2bac51a1827a18821150ed8c9f9752c02f9c2b02 Mon Sep 17 00:00:00 2001
From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Date: Mon, 11 Nov 2013 23:43:32 +0100
Subject: usb: gadget: composite: reset delayed_status on reset_config
From: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
commit 2bac51a1827a18821150ed8c9f9752c02f9c2b02 upstream.
The delayed_status value is used to keep track of status response
packets on ep0. It needs to be reset or the set_config function would
still delay the answer, if the usb device got unplugged while waiting
for setup_continue to be called.
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/composite.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -584,6 +584,7 @@ static void reset_config(struct usb_comp
bitmap_zero(f->endpoints, 32);
}
cdev->config = NULL;
+ cdev->delayed_status = 0;
}
static int set_config(struct usb_composite_dev *cdev,
Patches currently in stable-queue which might be from m.grzeschik@xxxxxxxxxxxxxx are
queue-3.4/usb-gadget-composite-reset-delayed_status-on-reset_config.patch
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