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 6870C332909; Thu, 28 May 2026 20:44:52 +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=1780001093; cv=none; b=dDkBlTNeBRP+jdlb13MyTZuZ4hF0BDsmcbT8yukFduNAKXvO+JBWYQ+2G9xufTdM/DmCvsC+ME2ehk0Odpc/IDxnIVTLiXaSy5xeyAoo9/wlFF0MuznoaTiPM3DgsZt8El7mEXtrre8jCohBc7Y/EezUI1WmgdtHGLi6XlKPUbQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780001093; c=relaxed/simple; bh=ADCf+NAFv+fqkyrRGbv1iHhV0cN+BDLbLXLLSMQbCd8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=JutYkhJZzad5fMY0ghHQb3JsfORK7kadYd5dKW1AnlbwataLjmcWphWdOjdAXpcKUE/wP33QIyoyrVLloMC6hi2q9Ho0n8a0bxuNcTOeSf5SLmr0ejEY2BZXWZY9HMnpljcWCQEJ13adhfajblpE1k0tJqN3mEIgI1vCIZ8l0v4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=rilEkfer; 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="rilEkfer" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C44B01F000E9; Thu, 28 May 2026 20:44:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780001092; bh=ICPnmIsra8hKU0TQwSReUeZ4/Sr3yH/O1vVfTbNkoQw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=rilEkferttFMT7rzGEWV4hsKRILuUJ1SgSTpJ5iiah7/0zlIlwlyxnmBEYrk2CLVv dHq4RrGTMaGQQRFmkHKvWQ8nAvaV/9GSR4naIhfM3LfoASYMdxFN32ZE8l3xSxggOM iAqrOgqYn0ffFyEFCvbLpLBXny/ZI+s3oe7Eq1KU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Rafael J. Wysocki" , Andy Shevchenko , =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Sasha Levin Subject: [PATCH 6.12 251/272] platform/x86: intel-vbtn: Check ACPI_HANDLE() against NULL Date: Thu, 28 May 2026 21:50:25 +0200 Message-ID: <20260528194636.148130578@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260528194629.379955525@linuxfoundation.org> References: <20260528194629.379955525@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rafael J. Wysocki [ Upstream commit a9f305c5a355efeb240d406d378491d9eec02d07 ] Every platform driver can be forced to match a device that doesn't match its list of device IDs because of device_match_driver_override(), so platform drivers that rely on the existence of a device's ACPI companion object need to verify its presence. Accordingly, add a requisite ACPI_HANDLE() check against NULL to the platform/x86 intel-vbtn driver. Fixes: 26173179fae1 ("platform/x86: intel-vbtn: Eval VBDL after registering our notifier") Signed-off-by: Rafael J. Wysocki Reviewed-by: Andy Shevchenko Link: https://patch.msgid.link/3426431.aeNJFYEL58@rafael.j.wysocki Reviewed-by: Ilpo Järvinen Signed-off-by: Ilpo Järvinen Signed-off-by: Sasha Levin --- drivers/platform/x86/intel/vbtn.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c index a353e830b65fd..d64aac2895f37 100644 --- a/drivers/platform/x86/intel/vbtn.c +++ b/drivers/platform/x86/intel/vbtn.c @@ -275,12 +275,16 @@ static bool intel_vbtn_has_switches(acpi_handle handle, bool dual_accel) static int intel_vbtn_probe(struct platform_device *device) { - acpi_handle handle = ACPI_HANDLE(&device->dev); bool dual_accel, has_buttons, has_switches; struct intel_vbtn_priv *priv; + acpi_handle handle; acpi_status status; int err; + handle = ACPI_HANDLE(&device->dev); + if (!handle) + return -ENODEV; + dual_accel = dual_accel_detect(); has_buttons = acpi_has_method(handle, "VBDL"); has_switches = intel_vbtn_has_switches(handle, dual_accel); -- 2.53.0