linux-kernel - Re: [PATCH 1/4] misc: fastrpc: Save actual DMA size in fastrpc

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Message-ID: <9f72e137-94de-4526-b3f0-769f82414c66@oss.qualcomm.com>
Date: Fri, 12 Sep 2025 18:21:46 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: srini@...nel.org, linux-kernel@...r.kernel.org,
        Ling Xu <quic_lxu5@...cinc.com>, stable@...nel.org,
        Ekansh Gupta <ekansh.gupta@....qualcomm.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH 1/4] misc: fastrpc: Save actual DMA size in fastrpc_map
 structure



On 12/09/2025 17:22, Greg KH wrote:
> On Fri, Sep 12, 2025 at 04:30:37PM +0300, Dmitry Baryshkov wrote:
>> On 12/09/2025 16:12, srini@...nel.org wrote:
>>> From: Ling Xu <quic_lxu5@...cinc.com>
>>>
>>> For user passed fd buffer, map is created using DMA calls. The
>>> map related information is stored in fastrpc_map structure. The
>>> actual DMA size is not stored in the structure. Store the actual
>>> size of buffer and check it against the user passed size.
>>>
>>> Fixes: c68cfb718c8f ("misc: fastrpc: Add support for context Invoke method")
>>> Cc: stable@...nel.org
>>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
>>> Co-developed-by: Ekansh Gupta <ekansh.gupta@....qualcomm.com>
>>> Signed-off-by: Ekansh Gupta <ekansh.gupta@....qualcomm.com>
>>> Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
>>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>>> Signed-off-by: Srinivas Kandagatla <srini@...nel.org>
>>> ---
>>>    drivers/misc/fastrpc.c | 27 ++++++++++++++++++---------
>>>    1 file changed, 18 insertions(+), 9 deletions(-)
>>>
>>
>> Please use correct CC list when sending patches. You've missed several
>> entries from the MAINTAINERS file.
> 
> This is just to send these patches for me for my tree, it's not really a
> normal "review" as that should have already happened (based on the
> signed-off-by chain above.)

Yes, I'm sorry for the noise. I didn't notice that the patches were sent 
by Srini for inclusion into the 6.18 (there was no cover email, etc).

> 
> thanks,
> greg k-h

-- 
With best wishes
Dmitry