From nobody Fri Dec 19 21:34:00 2025 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3C63B1E47A5; Wed, 19 Feb 2025 13:09:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739970604; cv=none; b=nC+EjKWics7B6mZqWd1UgdUnha/XiMXiaGqzKOAzz+47IY/1ErC3a3JgD8hoGn7uFv7kzJPqNQg46L02vTXJA7CUwHWaH+M7aq7+ueK0CiSK+eE55XgrcGet17fIK3KYUFQsvkuAGG7GcWat3TI2OP/KuAT0rdEwWcrtqXkg+/c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739970604; c=relaxed/simple; bh=hhInF30wke/UovUOXAo1FFA7iYgBOW3/hkzvAoWVCCY=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=jUYFsdncAetgUE2v3s5vDxTCo4KQegDa9QCf/+QVVG3Yn2e6TkLQtCXapxvG1YEzrDS8vOJKA/aEISxlPFujHPE3YQftIX07bZOWavOCkRfOTbs9xa4pCVrDrGS1PxXdxLGDfLWDow1wpgadtHpU5xS+df8/i2kT8jPBygolgNE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=GdiNPkgN; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="GdiNPkgN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=Huuvv E5ZoWF1UAGvFneCadtnRZGO01ETPd9/BIZRpBI=; b=GdiNPkgNIWJq9fxfCpCgQ bQ1qbXV4JfrXThmi+r3MCVsIWpF5HckJQy3bnBRp+n83HrvehZpfEFN57v+L+uej ri2TxtBfhnc+b7DkfRoUF/DePXhvnaGnuAVpvnmzUA3xcgUmi93lngAdOI8lsFD5 +9bu5JNfV9insVqH5dAohg= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzga-smtp-mtada-g0-2 (Coremail) with SMTP id _____wB3yiyy17VnoJLHNA--.52215S4; Wed, 19 Feb 2025 21:08:03 +0800 (CST) From: Haoxiang Li To: jani.nikula@linux.intel.com, rodrigo.vivi@intel.com, joonas.lahtinen@linux.intel.com, tursulin@ursulin.net, airlied@gmail.com, simona@ffwll.ch, gustavo.sousa@intel.com Cc: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] drm/i915/display: Add check for alloc_ordered_workqueue() and alloc_workqueue() Date: Wed, 19 Feb 2025 21:08:00 +0800 Message-Id: <20250219130800.2638016-1-haoxiang_li2024@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wB3yiyy17VnoJLHNA--.52215S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrKw4kKFy7ArykKF47tr4rAFb_yoWkKrbEkF WrZr1xGry5C3ZruF1UCrn3uryFvr4Yyry8AryxtryYyr47Kw10vrWkZr15Xw1rAFy3AFWq 93W8WF1kAws7WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRNvtCUUUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/1tbiqBH4bme10+BHjQAAsE Content-Type: text/plain; charset="utf-8" Add check for the return value of alloc_ordered_workqueue() and alloc_workqueue() to catch potential exception. Fixes: 40053823baad ("drm/i915/display: move modeset probe/remove functions= to intel_display_driver.c") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/gpu/drm/i915/display/intel_display_driver.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/= gpu/drm/i915/display/intel_display_driver.c index 50ec0c3c7588..dfe5b779aefd 100644 --- a/drivers/gpu/drm/i915/display/intel_display_driver.c +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c @@ -245,6 +245,11 @@ int intel_display_driver_probe_noirq(struct intel_disp= lay *display) WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE); display->wq.cleanup =3D alloc_workqueue("i915_cleanup", WQ_HIGHPRI, 0); =20 + if (!display->wq.modeset || !display->wq.flip || !display->wq.cleanup) { + ret =3D -ENOMEM; + goto cleanup_vga_client_pw_domain_dmc; + } + intel_mode_config_init(display); =20 ret =3D intel_cdclk_init(display); --=20 2.25.1