Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> writes:
> In hardware_enqueue code adds one extra td with dma_pool_alloc if
> mReq->req.zero is true. When _ep_nuke will be called for that endpoint,
> dma_pool_free will not be called to free that memory again. That patch
> fixes this.
Okay, drop the "possible" from subject and you're good to go.
Acked-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
>
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
> ---
> drivers/usb/chipidea/udc.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> index b40c259..a0a0a64 100644
> --- a/drivers/usb/chipidea/udc.c
> +++ b/drivers/usb/chipidea/udc.c
> @@ -564,6 +564,12 @@ __acquires(mEp->lock)
> struct ci13xxx_req *mReq = \
> list_entry(mEp->qh.queue.next,
> struct ci13xxx_req, queue);
> +
> + if (mReq->zptr) {
> + dma_pool_free(mEp->td_pool, mReq->zptr, mReq->zdma);
> + mReq->zptr = NULL;
> + }
> +
> list_del_init(&mReq->queue);
> mReq->req.status = -ESHUTDOWN;
>
> --
> 1.8.2.rc2
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