From mboxrd@z Thu Jan 1 00:00:00 1970 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 83A55C4332F for ; Wed, 8 Nov 2023 16:47:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6ti2N4BZLHnKnDy3mOSwz2DfxFp2OByS/DAZZ1/fiFk=; b=UuGSTH/68U9kAj+i/0d3YENcaP 7ifnUkFkDCKDKAlMHlWqV3kbyt9NnA0tYilxwyHugHFXNh59ZrO5Fx5meZmnyNFs4Qrm4K1PUKsn4 ylgM6EGGeJLC+PTdtB5NUrcgHYB0/cc8umn3lpIIpS+3UDu9dZrZ9sH6QIB6HO5zymyWID4B61hfZ KReSSeNZ5dg1qGJnVImIrxhHtHYZxboYbuHk0uCOOJE8Y3h7rBfSCbpWhfq4sSkXDN4WxS13Iwp/f 47oU/2YjZaEnHTJBwmZqU0T6mKTmvsCCLXPphzF05f5qCSlRK5u4sJGLZStE4wzPtfTYkRUDbu4SV XLVH2wbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r0lhl-004Kbz-1d; Wed, 08 Nov 2023 16:47:01 +0000 Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r0lhi-004Kas-1T; Wed, 08 Nov 2023 16:46:59 +0000 Received: from [100.116.125.19] (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: andrzej.p) by madras.collabora.co.uk (Postfix) with ESMTPSA id 0ADEF6607699; Wed, 8 Nov 2023 16:46:50 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699462012; bh=EeyG48ihoO4SEA/8XzhcTQbxRY9L7eiinHyNA69xzNY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ESr6pT+f5UmHQxoH5B2QL2SWWHnZ3IDW3t+g85ghsXjBSK8T1+8jENSXLV7GixsAj BPAyBa40TM2XvyZyx3j3dohE3PERlH12LjHWvZHG7YeKWNNo2csckKlKC4nImAoh35 mVHK3UfT0f4ZLj4Bq+BksGnA+bn0TdudzD4MOUmBsOh0UgMenEcXaImIkN3o9qZVps xVrCGMG1mC5FBV/kc9Ky+Fu5aHKRWni0vczlYaMhosT55ux5n7pINuig5s/nCKQ94K TbM4X/KVNP/FxBp46aJntEZZTvCi7rQ245Pv7oQ+cnZsu3zz2i/foJOTsWC/f5LGzD /zMuhB7rJQ1KA== Message-ID: <03557323-0a03-4833-b2de-6011e3d3acee@collabora.com> Date: Wed, 8 Nov 2023 17:46:48 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v14 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check Content-Language: en-US To: Benjamin Gaignard , 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 References: <20231031163104.112469-1-benjamin.gaignard@collabora.com> <20231031163104.112469-7-benjamin.gaignard@collabora.com> From: Andrzej Pietrasiewicz In-Reply-To: <20231031163104.112469-7-benjamin.gaignard@collabora.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231108_084658_633507_2414CB31 X-CRM114-Status: GOOD ( 11.37 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze: > 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 2ffb097bf00a..c6ebc8d2c537 100644 > --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c > +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c > @@ -823,10 +823,6 @@ 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); > @@ -898,10 +894,6 @@ 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);