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Thu, 02 Apr 2026 05:38:05 -0700 (PDT) Received: from junjungu-PC.localdomain ([223.167.147.240]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35dbe5e4ba7sm7834876a91.4.2026.04.02.05.38.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Apr 2026 05:38:05 -0700 (PDT) From: Felix Gu Date: Thu, 02 Apr 2026 20:38:03 +0800 Subject: [PATCH] i3c: dw: Fix memory leak in dw_i3c_master_i3c_xfers() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260402-dw-i3c-2-v1-1-b530970654ec@gmail.com> X-B4-Tracking: v=1; b=H4sIACpjzmkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDEwMj3ZRy3UzjZF0jXYs0QyPjlNQ0S8skIyWg8oKi1LTMCrBR0bG1tQB xKcvbWgAAAA== X-Change-ID: 20260402-dw-i3c-2-8f123def99b2 To: Alexandre Belloni , Frank Li , Aniket Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, Felix Gu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1775133485; l=1150; i=ustc.gu@gmail.com; h=from:subject:message-id; bh=bOmLBwnVfNFs+7IhaXEuMecWccwL4YAiUnEZWQnr8t8=; b=I7ZV7CsSHwy4yb2zfC8cEYGbNEksQz3TH2nESCU9klzxzQFtthbbnP8qOU1LATk/AQq8OJ7zq LLXxnQRxymYDNZSKNNPGpFXugl8Y845rYR/cexp1VS3+sGfQEF8zQ9o X-Developer-Key: i=ustc.gu@gmail.com; a=ed25519; pk=fjUXwmjchVN7Ja6KGP55IXOzFeCl9edaHoQIEUA+/hw= The dw_i3c_master_i3c_xfers() function allocates memory for the xfer structure using dw_i3c_master_alloc_xfer(). If pm_runtime_resume_and_get() fails, the function returns without freeing the allocated xfer, resulting in a memory leak. Add a dw_i3c_master_free_xfer() call to the error path to ensure the allocated memory is properly freed. Fixes: 62fe9d06f570 ("i3c: dw: Add power management support") Signed-off-by: Felix Gu --- drivers/i3c/master/dw-i3c-master.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c= -master.c index d6bdb32397fb..d933db076c61 100644 --- a/drivers/i3c/master/dw-i3c-master.c +++ b/drivers/i3c/master/dw-i3c-master.c @@ -953,6 +953,7 @@ static int dw_i3c_master_i3c_xfers(struct i3c_dev_desc = *dev, dev_err(master->dev, "<%s> cannot resume i3c bus master, err: %d\n", __func__, ret); + dw_i3c_master_free_xfer(xfer); return ret; } =20 --- base-commit: bd0f139e5fc11182777b81cefc3893ea508544ec change-id: 20260402-dw-i3c-2-8f123def99b2 Best regards, --=20 Felix Gu