From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 A642C48A2D1 for ; Mon, 18 May 2026 16:43:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779122603; cv=none; b=shW/iwEFpP6wfuM48ar+in5JVxC/pGsTVC4/tt3uhOp/8pwlYQtUP6mYhIgDokOgiFS8CKNRjlWBHvLdBvYg3vMOfDs9dTJY7XxlmysmmqXwbpSQ1SKEVFTbJze+VV2XPqQ9HrsdroLWFdPErPx/J/ABu+eDWFAZWcAqzGgEho0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779122603; c=relaxed/simple; bh=KDjfoJcjKV7pHGadUcM8FWZf/FTghjFKZI6Xzjni+x0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MbjXLrGdYcy8HZE+6OUWj3ImD6Fz8Xj7gpqn8yXDbHfaFhizQPlR3WJ80uaDYZhS62I09FbiC8Zxqot5GWXcwsi+WsnJ7AaIkE7ozAJnwETtTBMTYpj7TL8hHdZRGfIixWPuFobdOMLlf/Z89RnDp7gB3aSi0R/EzXLW2rvUrRY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=F6v9JcZa; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="F6v9JcZa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779122602; x=1810658602; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KDjfoJcjKV7pHGadUcM8FWZf/FTghjFKZI6Xzjni+x0=; b=F6v9JcZaikOPUr6XlxzJKmDzV0YsuEphDUooC5AKeWKsAacqC8wEUw0D BL5y1Fml/vg7C6I1YS9mTGCZUXtb9TfJuagv7SBec9E5h1KR9TObZ4Sh4 G6kLo5FFRbnibySGFMfxsVGL5JRbSyKSk1YnbFCAPANKLOSAJRGQc6Q02 Y8jagTws8fCbYtS2ipzLYRdinwKf/kyiK8cNrsxuD+uOunmZAWbbI2wdM E31yPiRa1+1mKaZ5EGB/UeV8cOR2XUC0FOLj+X3UcT8XQz/2AwJARinPK 2xc7/96CGO5QFQ0s+JsrkySuzwSj1QmxKF1kckAbm3FmVu6LQ+uDws0e+ A==; X-CSE-ConnectionGUID: lIbhbqszShGP4iUFMzkiCQ== X-CSE-MsgGUID: K1qwtzAYR6uWPyMoazRWLQ== X-IronPort-AV: E=McAfee;i="6800,10657,11790"; a="97413813" X-IronPort-AV: E=Sophos;i="6.23,242,1770624000"; d="scan'208";a="97413813" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2026 09:43:20 -0700 X-CSE-ConnectionGUID: 5PeODe9lTjChA1033N06jQ== X-CSE-MsgGUID: 1QPtKwabQLi1fyTN5o6LzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,242,1770624000"; d="scan'208";a="235019133" Received: from mkosciow-mobl1.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.125]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2026 09:43:17 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id 27283120D59; Mon, 18 May 2026 19:43:19 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1wP13m-0000000E89d-0Kq9; Mon, 18 May 2026 19:43:18 +0300 Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Dave Stevenson , Jacopo Mondi , Tomi Valkeinen , Jai Luthra , Mehdi Djait , Frank Li Subject: [PATCH v2 02/17] media: v4l2-subdev: Align frame descriptor error codes with routing Date: Mon, 18 May 2026 19:43:02 +0300 Message-ID: <20260518164318.3367888-3-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260518164318.3367888-1-sakari.ailus@linux.intel.com> References: <20260518164318.3367888-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit __v4l2_subdev_get_frame_desc_passthrough() returns -ENOSPC when there are too many routes. There's a subtle difference when compared to -E2BIG, but -E2BIG can be used in this case as well. In practice this was unlikely to having been ever returned from the kernel as things currently stand. -ENOSPC can be then repurposed for signalling of running out of entries in the statically allocated array. Signed-off-by: Sakari Ailus Reviewed-by: Frank Li --- drivers/media/v4l2-core/v4l2-subdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index e9f81b9be9e2..d93ed50255ed 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -2639,7 +2639,7 @@ int __v4l2_subdev_get_frame_desc_passthrough(struct v4l2_subdev *sd, if (fd->num_entries >= V4L2_FRAME_DESC_ENTRY_MAX) { dev_dbg(dev, "Frame desc entry limit reached\n"); - return -ENOSPC; + return -E2BIG; } fd->entry[fd->num_entries] = *source_entry; -- 2.47.3