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 BBE58357D19 for ; Wed, 9 Sep 2026 19:07:19 +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=1788980841; cv=none; b=tQewAoMyue3HVdyV5pib/kZntj0eYtAdIaSdH413lHGBe35GLhy+ChuFnd6KrRNU9jbmEuFJacqYt1GVo+2NLvdBkEG+Y8gcmmHlBMkCABZplfKfkZX4c/KMbckT8JVfmp1/ni9s4TQJc0Et805qhvfpEiHUUT049eqBLQlO9zM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788980841; c=relaxed/simple; bh=GxgaoHTEeWKtl4HhY3E7gUCh50JHl3GhPmpQC6tVBXU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z0jZMF7XbeNW/kZRAN1fdJNd8WPHGL/Uzq7cp+c7tcNANoN8Z5swkmXSj9Dvqurd+ycFh/EZqFnpuXBd73SM2/TQmJsmw7JR8B/MNR+CrPFT5lIylAA1QYYuI4qazF2SOf/k/A4a6wiD85HxOn+RgKNneFyO0Yj/hq1r95UGDMM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VvTgQiOB; 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="VvTgQiOB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2363E1F00893; Wed, 9 Sep 2026 19:07:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788980839; bh=RjrvZDuZgejp9ene+v7H+B3N9Gg+MYyes4vnc3ACOIU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VvTgQiOB4kSAUQV36BPnCUWkzrbhbw7QmXI9wgNVws3wysQMp5zttdHQ+PyOqRdn+ aKCegzDQ+Ss1WGCON6lHn0FFzgmiVGoxWyc4BMj08Ii3CGrlt5oEQFat+xg1Zp8WuG 51vAi/Sqb4ccvAZ91eSiaoeX5cRBNJF8H0x+yjRlorCSx8Xn2WtBAUWKq0T0iDrBFP zdBFtSaNQHNbq0ehin17YvCWOXedyez/SQzfd03YvvFNI+sPDx3nOSYTTCSmgvAYsP nb2k6x6BsXgtUaF0HrbXBZH+xhT6ZichI2YivG2Sv1ki4HvRIqj8uzMGGuD90ZLtpq FiO4DJSjKL5zQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Abdun Nihaal , Lee Jones , Sasha Levin Subject: [PATCH 5.15.y 3/3] mfd: sm501: Fix potential memory leaks during remove Date: Wed, 9 Sep 2026 15:07:15 -0400 Message-ID: <20260909190715.3536119-3-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260909190715.3536119-1-sashal@kernel.org> References: <2026090352-reptile-skyline-e58f@gregkh> <20260909190715.3536119-1-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