Re: FAILED: patch "[PATCH] dmaengine: qcom: bam_dma: Fix resource leak" failed to apply to 4.14-stable tree

[Sasha Levin <sashal@kernel.org>]

On Mon, Nov 04, 2019 at 10:35:26AM +0100, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.14-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From 7667819385457b4aeb5fac94f67f52ab52cc10d5 Mon Sep 17 00:00:00 2001
>From: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
>Date: Thu, 17 Oct 2019 08:26:06 -0700
>Subject: [PATCH] dmaengine: qcom: bam_dma: Fix resource leak
>
>bam_dma_terminate_all() will leak resources if any of the transactions are
>committed to the hardware (present in the desc fifo), and not complete.
>Since bam_dma_terminate_all() does not cause the hardware to be updated,
>the hardware will still operate on any previously committed transactions.
>This can cause memory corruption if the memory for the transaction has been
>reassigned, and will cause a sync issue between the BAM and its client(s).
>
>Fix this by properly updating the hardware in bam_dma_terminate_all().
>
>Fixes: e7c0fe2a5c84 ("dmaengine: add Qualcomm BAM dma driver")
>Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
>Cc: stable@vger.kernel.org
>Link: https://lore.kernel.org/r/20191017152606.34120-1-jeffrey.l.hugo@gmail.com
>Signed-off-by: Vinod Koul <vkoul@kernel.org>

Is the "Fixes:" tag correct here? Is it an issue without 6b4faeac05bc
("dmaengine: qcom-bam: Process multiple pending descriptors")?

-- 
Thanks,
Sasha