This is a note to let you know that I've just added the patch titled
Revert "usb: gadget: composite: dequeue cdev->req before free it in composite_dev_cleanup"
to the 3.17-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:
revert-usb-gadget-composite-dequeue-cdev-req-before-free-it-in-composite_dev_cleanup.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From bf17eba7ae1e813b0ad67cb1078dcbd7083b906e Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@xxxxxx>
Date: Thu, 18 Sep 2014 09:31:32 -0500
Subject: Revert "usb: gadget: composite: dequeue cdev->req before free it in composite_dev_cleanup"
From: Felipe Balbi <balbi@xxxxxx>
commit bf17eba7ae1e813b0ad67cb1078dcbd7083b906e upstream.
This reverts commit f2267089ea17fa97b796b1b4247e3f8957655df3.
That commit causes more problem than fixes. Firstly, kfree()
should be called after usb_ep_dequeue() and secondly, the way
things are, we will try to dequeue a request that has already
completed much more frequently than one which is pending.
Cc: Li Jun <b47624@xxxxxxxxxxxxx>
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 deletion(-)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1956,7 +1956,6 @@ void composite_dev_cleanup(struct usb_co
}
if (cdev->req) {
kfree(cdev->req->buf);
- usb_ep_dequeue(cdev->gadget->ep0, cdev->req);
usb_ep_free_request(cdev->gadget->ep0, cdev->req);
}
cdev->next_string_id = 0;
Patches currently in stable-queue which might be from balbi@xxxxxx are
queue-3.17/usb-musb-dsps-kill-otg-timer-on-suspend.patch
queue-3.17/revert-usb-gadget-composite-dequeue-cdev-req-before-free-it-in-composite_dev_cleanup.patch
queue-3.17/usb-gadget-f_fs-signedness-bug-in-__ffs_func_bind_do_descs.patch
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