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Mon, 05 Oct 2026 02:06:49 -0700 (PDT) X-Received: by 2002:a05:6a20:94c9:b0:3dd:a197:cf1b with SMTP id adf61e73a8af0-3e0bd44e649mr10349777637.63.1791191208766; Mon, 05 Oct 2026 02:06:48 -0700 (PDT) Received: from [10.217.219.98] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cce6e5930a1sm481861a12.32.2026.10.05.02.06.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Oct 2026 02:06:48 -0700 (PDT) Message-ID: Date: Mon, 5 Oct 2026 14:36:44 +0530 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] i2c: qcom-geni: release runtime PM reference when set_rate fails To: Rahul Pon , Andi Shyti Cc: Viken Dadhaniya , Praveen Talari , Konrad Dybcio , linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260930111641.1134-1-theflyingrahul@gmail.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <20260930111641.1134-1-theflyingrahul@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 2RROpiiWenNKyX5P92MoO_C8vY-f4o1u X-Proofpoint-ORIG-GUID: 2RROpiiWenNKyX5P92MoO_C8vY-f4o1u X-Authority-Analysis: v=2.4 cv=A6b5rKWG c=1 sm=1 tr=0 ts=6ac368a9 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=M1oNvLFnHOu12HvPULkA:9 a=QEXdDO2ut3YA:10 a=ZXulRonScM0A:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA1MDAzNiBTYWx0ZWRfX7+lKo1yMO/yo NdyY25QwBGMljUNzn9+iBSkpz2f0S3zEWd4kiPMVvVg/ry8RiUWF29Gg2jc5TGf8Dr06VrQEEi6 gE16jxPLdnqkieR3EwBR2zINsFNFKEFUEdpg0UXZX+0DiecrAgSb6EIQYQs6SF8Q0BGCddz+zs7 t47liQFTlhTSFAh/rEyso0P51lebj31PQcMgVb1wuT70Mxqs/Sj5tVOL/zLq5WIRIzwJhGed0XP aOPH86ZyFxWqo284VnzHsi9fO8pM+y1dJoUBA7KRiOpoiIS1BSbGCiNzrI1xmPRprmJ01R1cOmy Vh43GraYoAn2owaay1I50KebKJSopPH8ySjQiSCjsSpenkdaSz0irKzJoTlRbg0/BF+K7qGWjZ6 7HC1yqyyPZbaal1TSmjMRtRB+G4WXL12TX0Cx3OdggEj9lSZWoNMbX7ox923T6x3B32tcnDKT2p 0pwo/K4/U+2pnXUG74Q== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA1MDAzNiBTYWx0ZWRfXw493kZ1l2j59 HRzwgA6vpBJD186CcMZPJMGbYGNFsTBYqAXcLyBkuH5SrXULA1vgkNVLed3gbpHkI6cbMtamV+s TxXf+HbTEFGhE+cQd7TRmcGD+FqeVpI= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-05_01,2026-10-02_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 phishscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610050036 On 9/30/2026 4:46 PM, Rahul Pon wrote: > geni_i2c_xfer() takes a runtime-PM reference with pm_runtime_get_sync() > and then returns directly if the set_rate() callback fails, leaking the > reference and keeping the controller resumed for good. Route that error > through the existing cleanup path, which drops the reference and resets > the transfer state. > > Found by code review; compile-tested with arm64 defconfig plus ACPI and > W=1. > > Fixes: 10e74f4c5046 ("i2c: qcom-geni: Enable I2C on SA8255p Qualcomm platforms") > Assisted-by: LLM > Signed-off-by: Rahul Pon > --- Reviewed-by: Mukesh Kumar Savaliya