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[87.92.23.212]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-34f163f401bsm8841111fa.19.2025.09.12.06.30.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Sep 2025 06:30:38 -0700 (PDT) Message-ID: <31a37e24-0044-4987-89a9-d891200592ec@oss.qualcomm.com> Date: Fri, 12 Sep 2025 16:30:37 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] misc: fastrpc: Save actual DMA size in fastrpc_map structure To: srini@kernel.org, gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, Ling Xu , stable@kernel.org, Ekansh Gupta , Dmitry Baryshkov References: <20250912131236.303102-1-srini@kernel.org> <20250912131236.303102-2-srini@kernel.org> Content-Language: en-US From: Dmitry Baryshkov In-Reply-To: <20250912131236.303102-2-srini@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=aPDwqa9m c=1 sm=1 tr=0 ts=68c42081 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=ADr2fr9vtsuHB99cpUQfeg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=VwQbUJbxAAAA:8 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=KKAkSRfTAAAA:8 a=63YoszGqDLn7tnGNrREA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 a=TjNXssC_j7lpFel5tvFf:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: OSCaW6faajYozSXgbSeTfkNW5L9k6gXm X-Proofpoint-ORIG-GUID: OSCaW6faajYozSXgbSeTfkNW5L9k6gXm X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTExMDA0MCBTYWx0ZWRfXxwuqf2JuhOHw vIAVJxL2O2Bw1UYLF3ye9RnT1lIFbwDIauElvpY8qpc5nKTOWgW7NLgtnrw5VoM1/K2bw15S0/Q 4nouiaNhOuqGjBSkXoFyE0elRO6obm+F6CxwJ6WNzxasFQSCUej6wzinJUQP0pVE8yakv/qZC0E Kky+WyqCd5O3eM/QQhgfQf7swS+MZ1Za/BTk6MwAtsavhPbvUgkPmmAjg6HoDlHnLP9I1KaoOGU NsGvS205wHqve9GEgJ5BUgjxStJPaqUmx7eEQoj3/05lots1MftUvCxe9ZLqfBl/T5QrRii5pFh RNWEMqbSu3jPj0JiOwm9ki9/7d8UveRxav+A4zW9VhW2o81/26P4Vqe6IRQbYncdQeUKgDABZSE +pdftPVP X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-12_04,2025-09-11_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 impostorscore=0 malwarescore=0 bulkscore=0 clxscore=1015 spamscore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509110040 On 12/09/2025 16:12, srini@kernel.org wrote: > From: Ling Xu > > 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@kernel.org > Reviewed-by: Dmitry Baryshkov > Co-developed-by: Ekansh Gupta > Signed-off-by: Ekansh Gupta > Signed-off-by: Ling Xu > Reviewed-by: Dmitry Baryshkov > Signed-off-by: Srinivas Kandagatla > --- > 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. -- With best wishes Dmitry