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 2A42C3EC6AE; Fri, 4 Sep 2026 05:35:00 +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=1788500102; cv=none; b=Iz+A/1UC2XVocTihj1/zqdGJIlS2Paw36PqkjLQ5/jZYX4W02AGYLlyY3RIp5ZT3lbOisk25g3woaJLju9nu+uxorsINe7t+VqEs+HAdWUjR+jcGNAYKaSyby1H9DjOm16ly32MVpC+d9ODB6sJJlNtiLl1IS66MH5cFGv5kPmw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788500102; c=relaxed/simple; bh=qQmJf8GBcghcF3UF57B7ZuemVdYdKdEZUSY8vTCiLro=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZwP59BrQMKgmsX21fd3NT9P87ztRhPHTYXHu2q6p2/O1fMzq6yzDF7+JfcVSH2Mh5zsfBSR1wUhHjWRO6Z+AgjqCpHMLCsk1vmf+iRjIBFHextyVaBrNwthK7dJh7oqgxceS/UQUy6GbnjNLmLASh/YH/TYwn9OSY4a+4Y+C0G0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SkaRuE7n; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SkaRuE7n" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C0711F00A3D; Fri, 4 Sep 2026 05:35:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1788500100; bh=bTs5AzzAeMvMdMuPYrfFurS+7vnMNGz+Yp6pF6AyKoY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SkaRuE7n6uHeNBZG3QAxGMu+744EU4axt0nwL38dhphEhqFuYIRkSKdRbsAET5dc6 weV8TjSYgPTutHDmckBTpeDGaoRsZivTGMdXkWF+B+g9KzaiFegUZ1hF9bxwL26Yzq RAMCs+5i5LsCdHT9XrdIBnmSO9vk7ohc3uIGL8JU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Abdun Nihaal , Lee Jones Subject: [PATCH 7.2 634/713] mfd: sm501: Fix potential memory leaks during remove Date: Fri, 4 Sep 2026 07:00:02 +0200 Message-ID: <20260904045818.041386543@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260904045803.810145556@linuxfoundation.org> References: <20260904045803.810145556@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Abdun Nihaal commit 83feedd9d83c0c5199f98c72df0a6196b4aefb4d upstream. 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: Greg Kroah-Hartman --- drivers/mfd/sm501.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1627,6 +1627,7 @@ static void sm501_pci_remove(struct pci_ release_mem_region(sm->io_res->start, 0x100); pci_disable_device(dev); + kfree(sm); } static void sm501_plat_remove(struct platform_device *dev) @@ -1637,6 +1638,7 @@ static void sm501_plat_remove(struct pla iounmap(sm->regs); release_mem_region(sm->io_res->start, 0x100); + kfree(sm); } static const struct pci_device_id sm501_pci_tbl[] = {