From patchwork Thu Nov 9 16:29:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13451282 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0ACCCC04E85 for ; Thu, 9 Nov 2023 16:33:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fshJCjCO9RQVyzSyz7kx+QHSQUKTtP+Lt7E3n05AuTA=; b=y8ICOoQpR3socS 6WB1KoCgUESltrkOk6/nHnpZ8+AekkAoosZOrcuqSQYMm5t3utkSZHvTyMWaeOFKjVviVY5DsF0of ijIUTvyFGdNheEVEMNqs9I3IojdPV9K71s4x5G/6cR6LCwqBh1es22zVnpIqSDyGYfbHND2SMaM+E EiZQI0bNjME1Ar4JusPlrNQ8gxVT6e+Yb1Z6djQ/689ucUSd+euerxHNpbuFuJik19Djj+1PU5N/V 1gK71G4l5O5KTNE/NPt+mYTfzv20elAzsKWTRcGHXWKCnTDWTFfStXNHzfX3tDxH7pA9EcZmnz5Nt Ml+P/qk4jw8o0qMgRqNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r17xo-006jnP-0l; Thu, 09 Nov 2023 16:33:04 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r17xO-006jN3-06; Thu, 09 Nov 2023 16:32:39 +0000 Received: from benjamin-XPS-13-9310.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 8680166076A8; Thu, 9 Nov 2023 16:32:35 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699547556; bh=3b/dx2P81ZUhQ9IbGSLS7lMvQsWaifDH6Xromp4oCdY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mCuHsiASxnXFKmcAKg1+O+g4ocUXrRRzRH9bXPhsDlcrNckr9sqdOZ0XlSohKLLJp 0bvXhPxTg3Egn+lnXgaSWAthF3P4ebNhBnS6oOMfgdxSJRF39+op6NNEKY6jzvoJ1q b+Pv3qxnvEOd1EkbDy0oUstwWpTkTWkbbiczwA2wYTuRBg1nL9GYUG3GReQimIxD++ 3l4UfZDztP5ru5ZrCrkP+nLNEJNRsQwNabBmQNKdSrhNcl11yzcSvPHoMNLmVyaJZs l9FJfz/zfc8ov76TXcG92qj5aIuhJMJpkSLYA1JW8lgQNsEfuKLYUKKzQ1s7pC4pCz CHWq1QjSay/OQ== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard , Andrzej Pietrasiewicz Subject: [PATCH v15 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check Date: Thu, 9 Nov 2023 17:29:18 +0100 Message-Id: <20231109163008.179152-7-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231109163008.179152-1-benjamin.gaignard@collabora.com> References: <20231109163008.179152-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231109_083238_207769_8F1BCF79 X-CRM114-Status: UNSURE ( 7.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org vb2_get_buffer() already checks if the requested index is valid. Stop duplicating this kind of check everywhere. Signed-off-by: Benjamin Gaignard Reviewed-by: Andrzej Pietrasiewicz --- drivers/media/common/videobuf2/videobuf2-v4l2.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c index 37f814a89ace..6ba13a95323c 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -817,10 +817,6 @@ int vb2_qbuf(struct vb2_queue *q, struct media_device *mdev, return -EBUSY; } - if (b->index >= q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); - return -EINVAL; - } vb = vb2_get_buffer(q, b->index); if (!vb) { dprintk(q, 1, "can't find the requested buffer %u\n", b->index); @@ -892,10 +888,6 @@ int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb) { struct vb2_buffer *vb; - if (eb->index >= q->num_buffers) { - dprintk(q, 1, "buffer index out of range\n"); - return -EINVAL; - } vb = vb2_get_buffer(q, eb->index); if (!vb) { dprintk(q, 1, "can't find the requested buffer %u\n", eb->index);