From nobody Fri Dec 19 21:34:00 2025 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.3]) by smtp.subspace.kernel.org (Postfix) with ESMTP id BFD311B4253; Wed, 19 Feb 2025 12:47:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.3 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739969257; cv=none; b=GNpMO/9JjFN2bv9AW+9l2idmmxYRdo67m9nOPFH7bFk/9yuXImM82z7g38gCkNtgj+5EulDhHBNwB8RnaxzmFAinr7Q6+qsbmkq2e+fTNfTdxTAdP4OrIIyq+l9RKIO3pq2HVed3MKsXnGhsTEzxPVDb7VKN/HUEG06wmBFTzJQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739969257; c=relaxed/simple; bh=Uwbq7SofPTdMDDfuuhRfIIEXeKZlCYxMVfeiTo4dmR8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=S66eGCohfgQK93mf/1Bk37Ybab8K0lUkdvBq4yqEFOcbd8bgCs8LqkHUcVr2Z4ZmzCoc9ULfTpdCfpRYf3p3KnVfCVObPbSKDmBZetrc/t/sDTzM1hwFQNJJE50/kmaeMremKEG9T3tg5112YTzZh2L+swh8KG9ullofIh5djDg= 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=d+yRAW2T; arc=none smtp.client-ip=117.135.210.3 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="d+yRAW2T" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=7De9c 1YYCDKrVXvirdDhHSniVE6NBJ2sqrVR0/tlexk=; b=d+yRAW2TdSfG9MGeXyQek buund3bfZIiU4BQO1YmjvKC1z3AqMId0+XhGpnpC9+JSBorjTTvW4UH81E9mKnVk 1IYLAZKGGcTiY0OkzrigCTFeUOjz/Dkr89AoiA/6aelRyUu0v2N39p6cwFS8UIwW tMkzmak1vCPjUnHum52ih8= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzga-smtp-mtada-g0-4 (Coremail) with SMTP id _____wDnz8e30rVnzkamNA--.60716S4; Wed, 19 Feb 2025 20:46:48 +0800 (CST) From: Haoxiang Li To: jani.nikula@linux.intel.com, rodrigo.vivi@intel.com, lucas.demarchi@intel.com, thomas.hellstrom@linux.intel.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch 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/xe/display: Add check for alloc_ordered_workqueue() Date: Wed, 19 Feb 2025 20:46:45 +0800 Message-Id: <20250219124645.2631945-1-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: _____wDnz8e30rVnzkamNA--.60716S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7Jr18CFWfCryxtFWxZw18Xwb_yoWDJrbEkr 17ZrnxWry0k3Wvqw1UZr4furySvr1Yvan7X3yS9a43try7Wa1ftry8t345Xr4UZFy2yFZr u3W8WanrZws7WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRJpndUUUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/xtbB0hX4bme1wrXnDQACsc Content-Type: text/plain; charset="utf-8" Add check for the return value of alloc_ordered_workqueue() in xe_display_create() to catch potential exception. Fixes: 44e694958b95 ("drm/xe/display: Implement display support") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/gpu/drm/xe/display/xe_display.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/d= isplay/xe_display.c index b3921dbc52ff..b5d6ae05d936 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -97,6 +97,8 @@ int xe_display_create(struct xe_device *xe) spin_lock_init(&xe->display.fb_tracking.lock); =20 xe->display.hotplug.dp_wq =3D alloc_ordered_workqueue("xe-dp", 0); + if (!xe->display.hotplug.dp_wq) + return -ENOMEM; =20 return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL); } --=20 2.25.1