From patchwork Sun Apr 24 21:08:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivaylo Dimitrov X-Patchwork-Id: 34026 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1auRIk-0007CM-Qc; Sun, 24 Apr 2016 21:10:46 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.76/mailfrontend-7) with esmtp id 1auRIi-0000Ec-2r; Sun, 24 Apr 2016 23:10:46 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753342AbcDXVKg (ORCPT + 1 other); Sun, 24 Apr 2016 17:10:36 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:36641 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753308AbcDXVKd (ORCPT ); Sun, 24 Apr 2016 17:10:33 -0400 Received: by mail-wm0-f68.google.com with SMTP id w143so16620767wmw.3 for ; Sun, 24 Apr 2016 14:10:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=oUOkJIXodmwDtrIzDsJUhIhkqte5rXf7lEp4nHBFffo=; b=XzQxjbnIoRhe0Xw9IdguKExbOX+5gWWKObCmbrZcdLoINpHCabzl2KPwiqqrBgGNQs m2JbasbjB7wWgE3tmSP+2JPQ9Hsa47sZ8Y+EUvw8LbfhoCkg6okGjaAxFFlBdS1iV9l/ 4bsXRF8mQ4w7cgxXlEhPF/Bq4noAdcIBTF3jMnDsKsHL0mbPoG5bGQYnp7sz1YWXnGBJ hG7ZGZHdIHabAJ6cgCGS+K4FviQ2Gk5swa+uPKHwXduChBhd2JxZvL6AYz6GPt72iHR0 F887tkpg2iRO9SF2EFWVpStkcn/MLwWSmQsQz1KqGYWuoRi6hoyLxKybB8yt8UyvQsma Ey8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=oUOkJIXodmwDtrIzDsJUhIhkqte5rXf7lEp4nHBFffo=; b=BFpnzqxeNbaSSVg8Auk51AlWTkVfbxPRriN6kH3rPgM3fM58FkVaFJSU+QZUP2SQYL 9k7ymWQHd7yOxzdzcCwy2/gOO/C4sGfr7d09Wgee9Vqtkt1H30m3gXpGjhFwmA29JIb7 sALyeUAqDBbMdpRkoqIrqL4JK0b3gxoJsqNBCtfaEoUF5QFioGx1rtmSwPuXwI0EnGV1 avd3MaPNnuhWymoLSdx7yWVz7WI73atILqveYsaOc7Qy+1wf/C4iRzb95wK3DLU0H7Tl LjTwm+cjhFJ+0KfTlOXC66fDsgtoUipLmN2HNFzuxw+UkFp+BcV3AxAf0uTg4DL5eUIJ SpGw== X-Gm-Message-State: AOPr4FUDK4NIgiIuO6ZbiR0JSe0VF6XURqmAU3CMb82sPXuhpbshBQeNfHRYeCr2X98e2g== X-Received: by 10.194.90.76 with SMTP id bu12mr30589939wjb.79.1461532231723; Sun, 24 Apr 2016 14:10:31 -0700 (PDT) Received: from localhost.localdomain ([46.249.74.23]) by smtp.gmail.com with ESMTPSA id b2sm15440182wmb.9.2016.04.24.14.10.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 24 Apr 2016 14:10:31 -0700 (PDT) From: Ivaylo Dimitrov To: sakari.ailus@iki.fi Cc: sre@kernel.org, pali.rohar@gmail.com, pavel@ucw.cz, linux-media@vger.kernel.org Subject: [RFC PATCH 19/24] v4l2_device_register_subdev_nodes: allow calling multiple times Date: Mon, 25 Apr 2016 00:08:19 +0300 Message-Id: <1461532104-24032-20-git-send-email-ivo.g.dimitrov.75@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461532104-24032-1-git-send-email-ivo.g.dimitrov.75@gmail.com> References: <20160420081427.GZ32125@valkosipuli.retiisi.org.uk> <1461532104-24032-1-git-send-email-ivo.g.dimitrov.75@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2016.4.24.210315 X-PMX-Spam: Gauge=IIIIIIIII, Probability=9%, Report=' FORGED_FROM_GMAIL 0.1, MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, BODY_SIZE_800_899 0, DKIM_SIGNATURE 0, NO_URI_HTTPS 0, REFERENCES 0, SINGLE_URI_IN_BODY 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __DATE_TZ_RU 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __FROM_GMAIL 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __REFERENCES 0, __SANE_MSGID 0, __SINGLE_URI_TEXT 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_IN_BODY 0, __URI_NO_WWW 0, __URI_NS , __URI_WITH_PATH 0, __YOUTUBE_RCVD 0' From: Sebastian Reichel --- 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-core/v4l2-device.c index 06fa5f1..5aebe0a 100644 --- a/drivers/media/v4l2-core/v4l2-device.c +++ b/drivers/media/v4l2-core/v4l2-device.c @@ -238,6 +238,9 @@ int v4l2_device_register_subdev_nodes(struct v4l2_device *v4l2_dev) if (!(sd->flags & V4L2_SUBDEV_FL_HAS_DEVNODE)) continue; + if(sd->devnode) + continue; + vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); if (!vdev) { err = -ENOMEM;