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 999CB410D36; Fri, 4 Sep 2026 06:03:23 +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=1788501804; cv=none; b=BgNjDrsCVC/ae+Geeb/Vup39oezx1emQHONOkAoGo5JNwai1IZlrxrboCM6THBmSGbhDjqAhjOfpWby1iFVFEDzgkDwGbWSpsfoUvFZaJsL0OwVwe4Yccl+9TDQmJmb5u1G/Gz8xe6R77yOPhP+yVGTmXx1pBbW0PpWnr3Y8p3o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788501804; c=relaxed/simple; bh=y9hCQuZ9zZRqCaSZ7XPh1Dax44u78dl3zHZSZsENRZ4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S6pRWAU9MtD0q1AhUmZPBk48861CIu150UCCvNOJKnCuxpb34OOjN+GYeZkWumm/nPt5zyfa1rmO+xS7S5sdfuvoIvRLSsiLuCS3iENpKKaz5kH0RucwYO8KXvPMMsZE0qbjATj56d70EzPUTqlDuOh/xHdugjoLmnzi1HJUBrI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PMWrSlLS; 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="PMWrSlLS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F200C1F00A3D; Fri, 4 Sep 2026 06:03:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1788501803; bh=4Pyrqr6QpcKgxXLtFR87rcyrezgL52n5gzkMlSSpwcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=PMWrSlLSXoBUtFQ8PRbXZdO3wA+Tt/XEvt77I5fQ5Yo+AMahgaDFuz71j1s2eaf0b FxEg3fs7FnP7S2fZwO5GuDoaOY6tmrojE0o+buI3XadyImet/R+SiS54w2C+h7MC1i erzNLQiHxgbn/OMHqCe/MrZfDMYea3RHbzXxwu3U= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Abdun Nihaal , Lee Jones Subject: [PATCH 6.18 485/552] mfd: sm501: Fix potential memory leaks during remove Date: Fri, 4 Sep 2026 07:00:42 +0200 Message-ID: <20260904045801.666606279@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260904045747.813364717@linuxfoundation.org> References: <20260904045747.813364717@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 6.18-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[] = {