From nobody Fri Apr 17 00:17:59 2026 Received: from mail-yw1-f174.google.com (mail-yw1-f174.google.com [209.85.128.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A280A33987F for ; Tue, 24 Feb 2026 20:29:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771964949; cv=none; b=HBJanwRzWLk1qXMt4/pJUf+SXxUN5ZOtKH/ujfa6z81duT/0lyMTwtaU0izajMQdsFtZ/PuP3TPkA21ms8laTiJhaAGq6pMNle4YMNAq9h/24PAAxZgMXrRm3FJT2XLPBeprndWcvu5GXl2SxFw+v7JuPWZRvLmGoZHa1boaZG8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771964949; c=relaxed/simple; bh=aNgGjc/ynjknmWb3sc4QfqxFXQJoRo6cMq2PK6MPCgk=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=BS/JTGge1Tuc+1Iyx1rz5nYH+mU3E1ENP/uug3s+LewUi/xJUlB/DFp1WaHZ5eAk/AxSJEJqGPqc00yOGBo3G201sMbaVBzES0ylhdICpqMN2e4Fh1XKPEyKWN+PRe2locPQK1JhLJ0U8UvEd2b4AcHP84zKkHOspgXfpxxFezI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=ZTYyx19f; arc=none smtp.client-ip=209.85.128.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZTYyx19f" Received: by mail-yw1-f174.google.com with SMTP id 00721157ae682-7985d11da10so10784777b3.3 for ; Tue, 24 Feb 2026 12:29:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1771964947; x=1772569747; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=kXgTcCR1bgY5alvoJz3PSXt2ZbxmiSSmjRzGDg8f9o0=; b=ZTYyx19fLKGMTYxUFDsni36A2nAeNEnLYIuby2JysPlD/86Dt7Y/l+h96F0/h9zLbH Zv25tVyCIKFGtkiNjO3y+ZcpU1vz3qB6fBMuwSaHSJh8myGi5FpxYg6p+vMmE/bzcly+ qU4mIRivA7f7meIW2HYlLpbpvvtMoKxbXOpfL8BLLdG3Df1gGBRfO5jmR9tDxmP3+Guf 0wkLWWLxX58eoSF3K9Ak+hF3vGrEDRn3k9zEHpNI/V1JNY0mCvSfxvEEf2dkWoUAFWfI JPmiVFRrhE9BDZi+1OL4/1Nkeceog3H/YqOoMS5qGsSFiJYslkqp4mE7ikYBxVHEjP+h ljyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771964947; x=1772569747; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=kXgTcCR1bgY5alvoJz3PSXt2ZbxmiSSmjRzGDg8f9o0=; b=vjUlZO4G/9XpDiGB+Uig1kmCxYqDIs6NaK31gX3gwIrqxDnI8HyPIUJi6h4MHZgy4V bjgfvbhg+kUO9uXESRJqsQ+OmTGvGY+0st0GNT/New0CYNo44cWZ29ogNSmXwWl9xTS0 vTmoeEECPMFMLzNG8oT2ROb4H3nNSopNcx0uYieU1C6WONSnO/5X57qyaDLBzgzDfOkk x0dOiOWkBrohP5Ywuf0As9LxtKH7LiA5l9yMAt+L5Y9M2PQMQiaDjypP2YmIt5OLA1O/ PEhm6uzY9V6RELKw2htN89/wvl3ujozfBBuLg2D/yF9jSU1DI5GsiZcgOdleHj2Fqoav XFYA== X-Forwarded-Encrypted: i=1; AJvYcCVqHl8X63ERSHU0JveDAp17w6S1NzYgNQYypnjmViUL/dHF3NptCQd323ue1ea47S3K+9N44qO5KO9EKVY=@vger.kernel.org X-Gm-Message-State: AOJu0Yz9zIO246poyfgsVZG3DDZ79GKpqIeHFe/5icoLOFxkVXBPTvmZ /OTIxToWdaXWBROWvkOo7fknSjzYSTxrLfuc2xaT/CI/OdPhRDnNi6Gu4+Z7h3lQo84= X-Gm-Gg: ATEYQzzBUAxpLZTdqba3p/1oHhMAelyZv54HfIG2BrJVLwOLWDcALRXPhKJlyrsElFx jzem4Vk7n4/S+hDFepLlO50qLERHpZmlO3T41LD6xCXQy7IeGPjXjIAu/t1AaG+q5ShkZzKGeeg udV/p9N0x1Y3ZD9ODUZ+LSzjWD89955wIBnfFSwdO53sAyYYNED1FrZuQs5vNFq55n5tEe8CiCn t6FtHspzX4m5C4S1GvC7zkRdDshzB5ZldqL+pn9VNLtJ6ZWehkbd7sE2J9kQorsW50o7e+bTyAF etRefcukv3erIsdjiuVgvuSo6HRW+ryQS1iA419cn2OKGq0eQmsIIXtTGIPTD+FMQ9LocT/uP8E 3+D/pIWPhN7109nAcDJ2lRI2miDhXZ/SSHM8fUM3aEyWrbSk8jxseYQ6RFm1SYICZOGA8E1urj4 t7LFcj+OsdYzC/AAle1MAEvHhT7nwvgLkWGtUuC2aL1rjFR/EQMNZ1JlSsqZe6bKMTmeWuFkOWC RiHB/D2W5uTebMq++lId8yT X-Received: by 2002:a05:690c:95:b0:793:bc67:da0a with SMTP id 00721157ae682-7982903d449mr110024327b3.47.1771964947642; Tue, 24 Feb 2026 12:29:07 -0800 (PST) Received: from tux ([2601:7c0:c37c:4c00::5c0b]) by smtp.gmail.com with ESMTPSA id 00721157ae682-79865ef6631sm2429447b3.12.2026.02.24.12.29.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Feb 2026 12:29:07 -0800 (PST) From: Ethan Tidmore To: linusw@kernel.org, joshua.henderson@microchip.com Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Ethan Tidmore Subject: [PATCH] pinctrl: pinctrl-pic32: Fix resource leaks Date: Tue, 24 Feb 2026 14:28:46 -0600 Message-ID: <20260224202846.2437400-1-ethantidmore06@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add three missing clk_disable_unprepare() in early return error paths. Detected by Smatch: drivers/pinctrl/pinctrl-pic32.c:2211 pic32_pinctrl_probe() warn: 'pctl->clk' from clk_prepare_enable() not released on lines: 2208. drivers/pinctrl/pinctrl-pic32.c:2274 pic32_gpio_probe() warn: 'bank->clk' from clk_prepare_enable() not released on lines: 2264,2272. Fixes: 2ba384e6c3810 ("pinctrl: pinctrl-pic32: Add PIC32 pin control driver= ") Signed-off-by: Ethan Tidmore --- drivers/pinctrl/pinctrl-pic32.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic3= 2.c index eb438c9d9667..cf098c183b14 100644 --- a/drivers/pinctrl/pinctrl-pic32.c +++ b/drivers/pinctrl/pinctrl-pic32.c @@ -2204,6 +2204,7 @@ static int pic32_pinctrl_probe(struct platform_device= *pdev) pctl->pctldev =3D devm_pinctrl_register(&pdev->dev, &pic32_pinctrl_desc, pctl); if (IS_ERR(pctl->pctldev)) { + clk_disable_unprepare(pctl->clk); dev_err(&pdev->dev, "Failed to register pinctrl device\n"); return PTR_ERR(pctl->pctldev); } @@ -2260,8 +2261,10 @@ static int pic32_gpio_probe(struct platform_device *= pdev) girq->num_parents =3D 1; girq->parents =3D devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents), GFP_KERNEL); - if (!girq->parents) - return -ENOMEM; + if (!girq->parents) { + ret =3D -ENOMEM; + goto err_clk_cleanup; + } girq->default_type =3D IRQ_TYPE_NONE; girq->handler =3D handle_level_irq; girq->parents[0] =3D irq; @@ -2269,9 +2272,13 @@ static int pic32_gpio_probe(struct platform_device *= pdev) if (ret < 0) { dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n", id, ret); - return ret; + goto err_clk_cleanup; } return 0; + +err_clk_cleanup: + clk_disable_unprepare(bank->clk); + return ret; } =20 static const struct of_device_id pic32_pinctrl_of_match[] =3D { --=20 2.53.0