From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754037AbdBNNki (ORCPT ); Tue, 14 Feb 2017 08:40:38 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:59097 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753972AbdBNNkD (ORCPT ); Tue, 14 Feb 2017 08:40:03 -0500 Date: Tue, 14 Feb 2017 14:40:00 +0100 From: Pavel Machek To: sakari.ailus@iki.fi Cc: sre@kernel.org, pali.rohar@gmail.com, pavel@ucw.cz, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, laurent.pinchart@ideasonboard.com, mchehab@kernel.org, ivo.g.dimitrov.75@gmail.com Subject: [RFC 07/13] v4l2: device_register_subdev_nodes: allow calling multiple times Message-ID: <20170214134000.GA8550@amd> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MGYHOYXEY6WxJCY8" Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --MGYHOYXEY6WxJCY8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable =46rom: Sebastian Reichel Without this, exposure / gain controls do not work in the camera applicatio= n. Signed-off-by: Sebastian Reichel Signed-off-by: Ivaylo Dimitrov Signed-off-by: Pavel Machek --- drivers/media/v4l2-core/v4l2-device.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-cor= e/v4l2-device.c index f364cc1..b3afbe8 100644 --- a/drivers/media/v4l2-core/v4l2-device.c +++ b/drivers/media/v4l2-core/v4l2-device.c @@ -235,6 +235,9 @@ int v4l2_device_register_subdev_nodes(struct v4l2_devic= e *v4l2_dev) if (!(sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE)) continue; =20 + if(sd->devnode) + continue; + vdev =3D kzalloc(sizeof(*vdev), GFP_KERNEL); if (!vdev) { err =3D -ENOMEM; --=20 2.1.4 --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --MGYHOYXEY6WxJCY8 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEUEARECAAYFAlijCLAACgkQMOfwapXb+vJWdwCXZ3sY0dJFQk9BNu57G4+GbPvU qgCeIseO/NVgeifDbK6BwVR+4rumhh0= =JTKX -----END PGP SIGNATURE----- --MGYHOYXEY6WxJCY8--