linux-kernel - Re: [PATCH v1] misc: fastrpc: Free DMA handles for RPC calls with no arguments

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Message-ID: <2023092833-daylong-gecko-eb0e@gregkh>
Date:   Thu, 28 Sep 2023 15:05:51 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ekansh Gupta <quic_ekangupt@...cinc.com>
Cc:     srinivas.kandagatla@...aro.org, linux-arm-msm@...r.kernel.org,
        ekangupt@....qualcomm.com, linux-kernel@...r.kernel.org,
        fastrpc.upstream@....qualcomm.com
Subject: Re: [PATCH v1] misc: fastrpc: Free DMA handles for RPC calls with no
 arguments

On Thu, Aug 31, 2023 at 11:53:49AM +0530, Ekansh Gupta wrote:
> The FDs for DMA handles to be freed is updated in fdlist by DSP over
> a remote call. This holds true even for remote calls with no
> arguments. To handle this, get_args and put_args are needed to
> be called for remote calls with no arguments also as fdlist
> is allocated in get_args and FDs updated in fdlist is freed
> in put_args.
> 
> Signed-off-by: Ekansh Gupta <quic_ekangupt@...cinc.com>

What commit id does this fix?  Or is this new functionality?

thanks,

greg k-h