From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CCAA53624A8 for ; Wed, 9 Sep 2026 19:01:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788980487; cv=none; b=Z3AsdM1OcEPTOiCZZXnOFa1hO4uw/n9xjLjQEuHE47eSBK9lbYkTP9mNSnp8pDbJVb9s9J+YhDOo/FqiamNoKXKVasZQAFBEPGMtIOCQ4yi9Fh75SbSmIjFjY5q7MrD3yk0Baavo1QIGb5A/3A4GdtEl//guJXfUat6px0EG8zg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788980487; c=relaxed/simple; bh=GxgaoHTEeWKtl4HhY3E7gUCh50JHl3GhPmpQC6tVBXU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RzZyiGsTq02GZ8MNaimMNotlFotQrcd3hl9+3GGAWJbAWWHDCUxxs+NTo1noGsfKhL7J0ny4T5bN2Scel23XWZwDZdkXleWqxTSo203Dy9NhQQSBuWCR0HfM2JmTuHlDhIR10Qg4k+suK6eobd0nay9XtwOSQPu57+wGOy6mQD8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E1t3hwwo; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="E1t3hwwo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33DD21F0089A; Wed, 9 Sep 2026 19:01:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788980485; bh=RjrvZDuZgejp9ene+v7H+B3N9Gg+MYyes4vnc3ACOIU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=E1t3hwwoc/8MqWqEiLwrIkn9/7WfhjhLOw+1AorHrhp+Nmvpul/XzHtI5MmEELiF7 6yBBBbzXNv1WQ0LaSkOKOXPpFCsh/1uW3Lhfx6+wdtKh5G2Ups8HfymyvpXR9RQwEy PVhWahg2/jEUGZ2EOau3nnggAxv0YMrwNLNdOR6NHouzkMPcdWGgzKOVM1tvRKRlsP SRSbg+5C6aOUTBc47QTvSgXljqze0LGp+pW+beM5K5DQ31/hhJqc6OzG8gaGZS9E+g MqLV/II4WHPdyWERXyaaqTKS/5U1BmMCcVYHIEsviYSk3rvL0IVa69fYQsCZdO08op mmHhoeenxtwOw== From: Sasha Levin To: stable@vger.kernel.org Cc: Abdun Nihaal , Lee Jones , Sasha Levin Subject: [PATCH 6.1.y 3/3] mfd: sm501: Fix potential memory leaks during remove Date: Wed, 9 Sep 2026 15:01:21 -0400 Message-ID: <20260909190121.3510965-3-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260909190121.3510965-1-sashal@kernel.org> References: <2026090351-runway-afraid-7fc2@gregkh> <20260909190121.3510965-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Abdun Nihaal [ Upstream commit 83feedd9d83c0c5199f98c72df0a6196b4aefb4d ] The memory allocated for struct sm501_devdata in sm501_pci_probe() and sm501_plat_probe() is not freed by the corresponding remove functions sm501_pci_remove() and sm501_plat_remove(). Fix that by adding a call to kfree(). Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver") Cc: stable@vger.kernel.org Signed-off-by: Abdun Nihaal Link: https://patch.msgid.link/20260720113836.73133-1-nihaal@cse.iitm.ac.in Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/sm501.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 06e796883189e..5752099683eb4 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1667,6 +1667,7 @@ static void sm501_pci_remove(struct pci_dev *dev) release_mem_region(sm->io_res->start, 0x100); pci_disable_device(dev); + kfree(sm); } static void sm501_plat_remove(struct platform_device *dev) @@ -1677,6 +1678,7 @@ static void sm501_plat_remove(struct platform_device *dev) iounmap(sm->regs); release_mem_region(sm->io_res->start, 0x100); + kfree(sm); } static const struct pci_device_id sm501_pci_tbl[] = { -- 2.53.0