From patchwork Tue Oct 31 16:30:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13441749 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 BB4F9C00142 for ; Tue, 31 Oct 2023 16:32:35 +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=oWKywp71zfmCTh+6nOZDp4w/eoQNG4+EW37fWhuZitU=; b=hvCP9b/HJSL6u1 fYAEVhTNj/dbRcyMkeYjyCQIPOiurJ9jBDgNWp8HMK+aV7R4oYEEpY7BcMJICey4tZWQxH6XYClqo 0gUhlXp+R+3wWss9CSwtoih6EFy08SArLTCZ0FV0rq/OeY5G2lLEzohKI/2Hc4w+OvyAMBQ8AoAVW U6P/JNOP+D3ksW8yiMuxfNrFbMpfdmY3EE75gOskl129m/gnVl+SkH5ixeiyotWRci03dSubeJhud w13ByOfaozeyOgOhEOJQl5Xy1SNX1QI6nZkrBCuwVFlg+bH7JaffYz4qMq3uyKQfX3RhpnmPkdIV+ VvM85VJIzCftOmhbMceA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qxreu-005cOb-1G; Tue, 31 Oct 2023 16:32:04 +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 1qxreG-005blT-0o; Tue, 31 Oct 2023 16:31:25 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:c562:2ef4:80c0:92f]) (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 AC65766073B3; Tue, 31 Oct 2023 16:31:22 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1698769883; bh=u0/tUxGMIK/59pYU6cqm9FB8VhmlcNZDctLEaz6jcAE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GEWNBm3Ao8wyHXjGKPS36T/onIXJ1f+ct35dk3Qu0sfHJ8AJyYOH4qx4VHpdLoJLo 4XbKkO07vPglVaOccDyQ+gxJfG3LfpqIpMFaHZENyJzBjTLNdrZS1agJt4MZlIKVem bQTn0UtcOlbmbUu7mE3nfJTL3CjOQNHAWJDdznMK7zK1yTB6chmR2xVeWj/EOKJy9V 4w+cum9CYEGlBzVPqw9btm0CEe73DrGHs4FCP1OL6LYoKU8MbpEwMual6Zw5G7Zy/0 5MfRVEVXv3VdDeBJsIOWj1eY6JzqvAtdS16Q3wcqOmVb/pxGxIopYwvg2/2xFwAPXP 48fPpizNzDA4g== 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 Subject: [PATCH v14 06/56] media: videobuf2: Remove duplicated index vs q->num_buffers check Date: Tue, 31 Oct 2023 17:30:14 +0100 Message-Id: <20231031163104.112469-7-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231031163104.112469-1-benjamin.gaignard@collabora.com> References: <20231031163104.112469-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231031_093124_446796_F6B10C36 X-CRM114-Status: UNSURE ( 7.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 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);