From nobody Fri Dec 19 21:34:56 2025 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 52D802701BA; Thu, 24 Apr 2025 02:40:35 +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=1745462441; cv=none; b=sN0C8kXIAGfDhixB9aWgk4oYD5ffuNLQzr7CGiTprLoBYCbTtKEsPhdmU1RjOZorWrARBu7JKoahCTcHPZgeMgyQM6Q4L6DfAjGJuhiHWcP0PQDWGo6tifzD2LAE6wkX1J8seJEIzG5MyKGAdS+zHt6TOLDX/nQE2PSw5ebYJGg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745462441; c=relaxed/simple; bh=An4kxq86Cef3c89KtnvdLmkNF7zg9V5jf3RldmqtYzc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Ybj+iPYhRwrubbRvM4pxOCsbO1FDtRTmFhV7O1appoK9vjo8yelc78+8i8wiPQW642LRAdEC05T8C2RpWMzp9/Q9GETU7K4jzfa4lMDi0ExDUcACFSYc/+Y9CbeGTtoZBkq5b7K8rS2dfsPEeYwIe1vVfMsekad28zVVS9gRDmk= 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=i0GJ++jd; 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="i0GJ++jd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=3qiDl T+rNYYIueM4osSVU8znOOazc0IsHSbCKSt2gPY=; b=i0GJ++jdfBqJB0rOGQB01 9Hysr9shb3Qe88l2Zn1P4XzRD0Qi9Zs7Df2ipUmdwj3Azl2sv1NZGIacoa1nJ30L gerbmrh42nACfLXdjesA5Z8wiRC0PtYtAz4lx6SwExfn+0qJlIL15mwJ1FhCewxK CWTRlsy27Leoby/8j25Psw= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzsmtp1 (Coremail) with SMTP id PCgvCgCXvEWRpAloXUhmAw--.34232S4; Thu, 24 Apr 2025 10:40:18 +0800 (CST) From: Haoxiang Li To: thomas.hellstrom@linux.intel.com, airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.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 RESEND] drm/xe/display: Add check for alloc_ordered_workqueue() Date: Thu, 24 Apr 2025 10:40:15 +0800 Message-Id: <20250424024015.3499778-1-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: PCgvCgCXvEWRpAloXUhmAw--.34232S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7Jr18CFWfCryxtFWxZw18Xwb_yoWDJrgEkr 17ZrnxWry0k3Wvqw4UZr4furySvr1Yvan7X3yS9asxtry7Wa1ftryvy345Xr4UZFy2yFW7 u3W8W3WDZws7WjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRNtxhDUUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/xtbBkBk5bmgJo48xgwAAsh 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 0b0aca7a25af..18062cfb265f 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -104,6 +104,8 @@ 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