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Thu, 23 Jul 2026 05:37:13 -0700 (PDT) X-Received: by 2002:a17:903:320d:b0:2cc:c9cb:371c with SMTP id d9443c01a7336-2cfa6c87609mr33999535ad.40.1784810232995; Thu, 23 Jul 2026 05:37:12 -0700 (PDT) Received: from [10.217.219.142] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cf8f38a40fsm33202025ad.78.2026.07.23.05.37.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 23 Jul 2026 05:37:12 -0700 (PDT) Message-ID: Date: Thu, 23 Jul 2026 18:07:08 +0530 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] i3c: master: require dests for read CCC commands To: Adrian Ng Ho Yin , Alexandre Belloni , Frank Li , linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Cc: tze.yee.ng@altera.com, lkp@intel.com, Dan Carpenter References: <153608c2ff6504fe29f5f727a23c53c41768a44a.1784796086.git.adrian.ho.yin.ng@altera.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <153608c2ff6504fe29f5f727a23c53c41768a44a.1784796086.git.adrian.ho.yin.ng@altera.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: s6uKOOsMFMYXwZ6IVUFlas3At0aw8xvu X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIzMDEyNCBTYWx0ZWRfX9TNSAYROplUy 5z3lIA8KWgIDysY062F5W8mB26/qZ05NxNwEjkHjTIDx4N1oct1NEVahXgxGyaHeKHHLUZzKMAF ygb3VQDp9ap6eDwvyLVuYZFUcw7ULKg= X-Proofpoint-GUID: s6uKOOsMFMYXwZ6IVUFlas3At0aw8xvu X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIzMDEyNCBTYWx0ZWRfXxLUEwi7EZqw4 7FtowtqtkTn2RNA0mF8kxipTLn5TTGvNlwwNXFZVaP0TMCfING2FdvuyNcJ09O8B79JGUwEz4lp 1sHVGnrY4CG0LtYyalzDua/ZfDSeiYzqn/0jljfhEzoLeSnwn3J/lDyvvqN2lGUP/5p1YWszuHg tG2jnyeD7bQKyK+KtgLa9zDzkJ2ID0+rfOWSUBLSKDSjNTRjuVCS9zogIAX/+KJZg7zrgzZ+iXc 0ojMKn9ZkN+cdT2hyHLHTUmMVrbMbBKeaTGd8ULa4WNPQXl7LeetPCe8/I84Qn/9hxpLnj7/oZ9 3XiY4txVLSx9YSn/WN9bYhyrt8kkE+/uoMm2eLs1lCAVeny9BxyG3QaLyAiT3QAf62QjgaH8bdR W/Jpe+5JoOD5VGd8Ap3ndPErEzxc3J66mrxsplBSR9e+19u65/cjmCSDZh8ZEgnR69ltrCYHoLy y9yVetPZh6RpYIp/I1A== X-Authority-Analysis: v=2.4 cv=WNxPmHsR c=1 sm=1 tr=0 ts=6a620afa cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=QyXUC8HyAAAA:8 a=pGLkceISAAAA:8 a=yBYpec10AAAA:8 a=EUspDBNiAAAA:8 a=y2YDxqopTWoFPjg0B8cA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 a=zbxmTX4fiVD2UiCe4Dha:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-23_03,2026-07-22_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 phishscore=0 impostorscore=0 suspectscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607230124 On 7/23/2026 2:53 PM, Adrian Ng Ho Yin wrote: > Read CCC commands (rnw set) always need a destination array to store > payload data. Extend the existing direct-CCC validation so cmd->dests > is guaranteed non-NULL when cmd->rnw is set. > > Reported-by: kernel test robot > Reported-by: Dan Carpenter > Closes: https://lore.kernel.org/r/202607222347.TXH6r6ie-lkp@intel.com/ > Signed-off-by: Adrian Ng Ho Yin > --- > drivers/i3c/master.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > Acked-by: Mukesh Kumar Savaliya