From nobody Thu Oct 9 13:21:37 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 AD8522877D9 for ; Wed, 18 Jun 2025 10:09:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750241362; cv=none; b=YbS6xbjTgczqxtAaanx3DwbU+vaIyw0eEwTivJESYk4dg56ZaTttDLdVsB4eBwtvTNnNP5o66Pp858jF81uxkvFtZSxKh/8Kx0hxojujwQd4UoUqBNuHF70gNmed/6V6Pjl9jtC4c1VZ7qTvM8UeGzVk/1W+WvvgA2VUNsdnvJY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750241362; c=relaxed/simple; bh=8aJBHTaoDwbPr+X9duP3A0ddPan1c4bJ9DT1hCoqjF8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GR12ttjPvUXzzqPyNWVSSew7NkTZLUBAcPHnFvHwCj7TCjd6rJEcgmkrLEqpZJ6jR6/32ouHpA9zQhWVxOkpzPEYKZ72YypkZEst/X3r2xL+ctioKI7v+XTwJ8cwKFE8gyKvyPz0jcy+kMqdUtU+wNL+Al5UQOfcJaVH36lqAEo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=NKUcom2R; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="NKUcom2R" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750241361; x=1781777361; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8aJBHTaoDwbPr+X9duP3A0ddPan1c4bJ9DT1hCoqjF8=; b=NKUcom2RFSiJ6FTBMBTDakSkTEsZEs8AWVM7rFX+d5nHUyhBgqlGfImE oIATziK4Cn52bWlEDvs2E6ucxfH2iWsm0EE+H+91VbyoVgDvSHeVSucdv NxGzc/ZY1wm4gPMNe+a7Xvr1yQnL66Mupafcf7oOHoTI1YN7qSqIqe+L3 rUcgZ6gudR3kHRU5yx9nM/gCdSjGWdynIGeeH6Ug8PvHU0uIRM8jAYHkd 8pZqCVjyQuGISc88w1PQCNlSFX/YJKGkHVUHBkO3LqKSqA2sItieGrOFn e+Hr2MIJI07CJtq9rSzdmhvDzkKvkAjnVFlPb5ZVnwpTIz2OyHPLdcuPs g==; X-CSE-ConnectionGUID: yfHYi5QjQyq5FtzTEEtThA== X-CSE-MsgGUID: Y4UM5nUBSeqRfbY5C7Mxzg== X-IronPort-AV: E=McAfee;i="6800,10657,11467"; a="52591011" X-IronPort-AV: E=Sophos;i="6.16,245,1744095600"; d="scan'208";a="52591011" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2025 03:08:10 -0700 X-CSE-ConnectionGUID: Lc2DfxmERHWb0PFOl04oeA== X-CSE-MsgGUID: 8CAy3dduRJKbPjJehl/w4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,245,1744095600"; d="scan'208";a="149461238" Received: from sannilnx-dsk.jer.intel.com ([10.12.231.107]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2025 03:08:09 -0700 From: Alexander Usyskin To: Greg Kroah-Hartman Cc: Reuven Abliyev , Alexander Usyskin , linux-kernel@vger.kernel.org Subject: [char-misc-next 2/3] mei: set parent for char device Date: Wed, 18 Jun 2025 12:54:32 +0300 Message-ID: <20250618095433.3943546-3-alexander.usyskin@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250618095433.3943546-1-alexander.usyskin@intel.com> References: <20250618095433.3943546-1-alexander.usyskin@intel.com> 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 Content-Type: text/plain; charset="utf-8" Connect char device to parent device to avoid parent device unload while char device is still held open by user-space. Signed-off-by: Alexander Usyskin --- drivers/misc/mei/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 03898246ab16..c160703d0782 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -1229,6 +1229,7 @@ int mei_register(struct mei_device *dev, struct devic= e *parent) devno =3D MKDEV(MAJOR(mei_devt), dev->minor); cdev_init(&dev->cdev, &mei_fops); dev->cdev.owner =3D parent->driver->owner; + cdev_set_parent(&dev->cdev, &parent->kobj); =20 /* Add the device */ ret =3D cdev_add(&dev->cdev, devno, 1); --=20 2.43.0