[PATCH V2] dmaengine: qcom_hidma: release the descriptor before the callback
Timur Tabi
timur at codeaurora.org
Sun Jul 31 07:13:48 PDT 2016
Sinan Kaya wrote:
> + list_for_each_entry_safe(mdesc, next, &list, node) {
> enum dma_status llstat;
> + dma_async_tx_callback callback;
> + void *param;
>
> desc = &mdesc->desc;
>
> @@ -132,18 +135,19 @@ static void hidma_process_completed(struct hidma_chan *mchan)
> spin_unlock_irqrestore(&mchan->lock, irqflags);
>
> llstat = hidma_ll_status(mdma->lldev, mdesc->tre_ch);
> - if (desc->callback && (llstat == DMA_COMPLETE))
> - desc->callback(desc->callback_param);
> + callback = desc->callback;
> + param = desc->callback_param;
It looks to me like 'callback' and 'param' are never actually used.
--
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