From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 21E8D3EE1C1 for ; Wed, 13 May 2026 10:44:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778669046; cv=none; b=l2G542qjUl07+PCWKgUqrXoJYBk4yFEIreZpMWDoXzI0xBo86pHzb5CdNHsa3M2EEEC6M+v4oGztac+Pvx3FKrKv5iRDcRxYmqugSBpUY983UxReGPD7RAfGwUInIVj7hDW65AJyT2Jo9r5KZsL9dsc+hS2Wh9Idtm4FNzXwQ/w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778669046; c=relaxed/simple; bh=hLVDVKLLxN9t5/hqUSAYjs0UZX0z2dqoV5rEeeVEPGI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IsJsMxe/h/2AsTi88xuLjDq2ARPePkwAAl7tcxe3XJdLkpF54+aJoKqcfICH5/sVBoGbQ+s65VIXbTI4+ZCm+peVkk84E/IOb0Br4DwZkjCIYVJqmKr0si5waVRZIXKeOqWyRVsvDTReSY4CvVGE3VGDvElt5Tq5Jb2APfdBxOk= 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=gtbBXHEL; arc=none smtp.client-ip=198.175.65.14 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="gtbBXHEL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778669045; x=1810205045; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=hLVDVKLLxN9t5/hqUSAYjs0UZX0z2dqoV5rEeeVEPGI=; b=gtbBXHELDREPuKKijBROiqauwOB3GN3x1+rdP14AqJrj2QFQCD2gXRC3 m+Ft82VrvX/qQUmL0MWteHB9I74hYG4wxlfGF2ndrkpgnquI0muOlssFA 2JpcqEMjFmgLXccZLA7Yry8U+2UtfZEc9l+HegAtPGHTCQpaWx2d8g9Gl bKWu6F+NewpMI/DMZ7JfCzooTMylhR3y/NQM+81+YzMHm1Oq39JsH7DJd VO56QBJS+f51MHyu19USo5RES6DAt4Jxwsnn39GOslUSPSsG3y3JojCOO KX/zJtJgd9g/zixrsslZBlv4zJe4WJ13hA/Lyuh38z36cTORbkrPjwaLd w==; X-CSE-ConnectionGUID: 0wfUWi4uQSyBFIVZLVaq3A== X-CSE-MsgGUID: DHKdbPUoSNGoHUv1MEQwMA== X-IronPort-AV: E=McAfee;i="6800,10657,11784"; a="83464442" X-IronPort-AV: E=Sophos;i="6.23,232,1770624000"; d="scan'208";a="83464442" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2026 03:44:04 -0700 X-CSE-ConnectionGUID: flWKH2lKTOi2+WHSd51jqA== X-CSE-MsgGUID: 5RSJIKN+TMq+NGwlczHzaw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,232,1770624000"; d="scan'208";a="233599240" Received: from ettammin-mobl3.ger.corp.intel.com (HELO kekkonen.fi.intel.com) ([10.245.244.111]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2026 03:44:01 -0700 Received: from punajuuri.localdomain (unknown [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id BFD73121CA5; Wed, 13 May 2026 13:43:59 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.98.2) (envelope-from ) id 1wN74I-00000009S1C-2wwh; Wed, 13 May 2026 13:43:58 +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 Subject: [PATCH 02/17] media: v4l2-subdev: Align frame descriptor error codes with routing Date: Wed, 13 May 2026 13:43:43 +0300 Message-ID: <20260513104358.2252605-3-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260513104358.2252605-1-sakari.ailus@linux.intel.com> References: <20260513104358.2252605-1-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 --- 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