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Tue, 29 Sep 2026 03:06:08 -0700 (PDT) Received: from alchark-surface.localdomain ([5.194.93.183]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48af502f79dsm2954995f8f.6.2026.09.29.03.06.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2026 03:06:08 -0700 (PDT) From: Alexey Charkov Date: Tue, 29 Sep 2026 14:05:49 +0400 Subject: [PATCH 4/4] PCI/pwrctrl: generic: Fix leaking array from of_regulator_bulk_get_all() 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: 7bit Message-Id: <20260929-regulator-get-all-v1-4-e887c66a47f1@flipper.net> References: <20260929-regulator-get-all-v1-0-e887c66a47f1@flipper.net> In-Reply-To: <20260929-regulator-get-all-v1-0-e887c66a47f1@flipper.net> To: Liam Girdwood , Mark Brown , Corentin Labbe , Manivannan Sadhasivam , Bartosz Golaszewski , Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= Cc: linux-kernel@vger.kernel.org, Manivannan Sadhasivam , Bartosz Golaszewski , linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, Alexey Charkov , stable@vger.kernel.org X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=943; i=alchark@flipper.net; h=from:subject:message-id; bh=92VE8r9mzYOK8AC7tCzlvbIDtHDlmpg8zlN0tg/3Zcs=; b=owGbwMvMwCW2adGNfoHIK0sZT6slMWTt7m15s8EzK/JN78xJbtPerfnDtOuVWBHHzrrMAwa/9 y66bdS0pGMiC4MYF4OlmCLL3G9LbKca8c3a5eHxFWYOKxPIEGmRBgYgYGHgy03MKzXSMdIz1TbU MzTSMdYxYuDiFICpfhvK8N9NU5T9zdJA/U0CAuc6PuwMPCvy3y0kJCg083aWzbRMpg+MDM2xKRm v2RbL/j/53Xr5u69rZfcnZjxZvzw9q34df2rwBm4A X-Developer-Key: i=alchark@flipper.net; a=openpgp; fpr=9DF6A43D95320E9ABA4848F5B2A2D88F1059D4A5 of_regulator_bulk_get_all() allocates the consumers array and hands it to the caller, who is expected to free it at an appropriate time. PCI pwrctrl never did, leading to a memory leak. Add an explicit kfree() for the consumers array. Cc: stable@vger.kernel.org Fixes: 75996c92f4de ("PCI/pwrctrl: Add pwrctrl driver for PCI slots") Signed-off-by: Alexey Charkov --- drivers/pci/pwrctrl/generic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/pwrctrl/generic.c b/drivers/pci/pwrctrl/generic.c index d56171e0ee24..4b6cbbb52248 100644 --- a/drivers/pci/pwrctrl/generic.c +++ b/drivers/pci/pwrctrl/generic.c @@ -63,6 +63,7 @@ static void devm_slot_pwrctrl_release(void *data) struct slot_pwrctrl *slot = data; regulator_bulk_free(slot->num_supplies, slot->supplies); + kfree(slot->supplies); } static int slot_pwrctrl_probe(struct platform_device *pdev) -- 2.55.0