Re: [PATCH 1/3 v5.4.y] dmaengine: ti: edma: Add support for handling reserved channels

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Apr 16, 2025 at 06:43:25AM +0000, Hardik Gohil wrote:
> From: Peter Ujfalusi <peter.ujfalusi@ti.com>
> 
> Like paRAM slots, channels could be used by other cores and in this case
> we need to make sure that the driver do not alter these channels.
> 
> Handle the generic dma-channel-mask property to mark channels in a bitmap
> which can not be used by Linux and convert the legacy rsv_chans if it is
> provided by platform_data.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> Link: https://lore.kernel.org/r/20191025073056.25450-4-peter.ujfalusi@ti.com
> Signed-off-by: Vinod Koul <vkoul@kernel.org>
> Signed-off-by: Hardik Gohil <hgohil@mvista.com>
> ---
> The patch [dmaengine: ti: edma: Add some null pointer checks to the edma_probe] fix for CVE-2024-26771                                   needs to be backported to v5.4.y kernel.
> 
> patch 2/3 
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.235&id=2a03c1314506557277829562dd2ec5c11a6ea914 
> patch 3/3
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.10.y&id=c432094aa7c9970f2fa10d2305d550d3810657ce
> 
> patch 2 and 3 are cleanly applicable to v5.4.y, build test was sucessful.

I'm sorry, I have no idea what to do here :(