From patchwork Wed Sep 27 15:35:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13401042 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 768B2E82CA7 for ; Wed, 27 Sep 2023 15:37:43 +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: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=QphLxYjQ8pTcAvqgFGhycyeZsl9anGIME2A6zBkQp5w=; b=zbjozBhv6RBOGyk1wpRoPiGmMK oDofL11l3A+ZJ0pgD1iB1xiS9shgRPNTOc/BB3L5yGnRA5nHp4kNSQR6p7zsqIAG3uYrq4oCE8gCJ avTRF7WNPkL2fUrJoc/c3ti1M7+9bMyze11GVyg46mfDeBuH/5gXpcqq37HkxLnMuKXmMTHOGhnJw TUADx0k+PFn1XhEtQV10AYHj40MbUPQfK9mXgmB7yBfGGeGQkXDLEZGKwYN0BE47+7l+gtCQxYgZw UqriodmmijJkt3lkDKwx9dYvPzwhEM3z4qM3X68/IZOcuYd98T0WDdBhmuVZFTbKH8fE73VChJBEY /hDBV4iw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qlWbe-001Hw7-0X; Wed, 27 Sep 2023 15:37:42 +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 1qlWaI-001GMB-2K; Wed, 27 Sep 2023 15:36:24 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:672:46bd:3ec7:6cdf]) (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 BDC59660734C; Wed, 27 Sep 2023 16:36:16 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1695828977; bh=nC5JveIjPzMVC1zxPduxcDxFwp3MsqPq43pscFJumwg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kqUQ9S0b5mgGvycKsdnIVMdl6gR7Xdu5VBy17S2W8Hi4ie+wiGRaseU2nXp5bE2km b85t/REOouISSEEWEkdQpWiuqaBJEc7D9hgBncOUZijgVJKM6UOzMYrPmmXVO+9wu2 iyicQkSoGP2PjGvkJenK1VJhuGud77LPqs7NL3FYNMlzyvtV90N9X1fUi0+uAfdlkO 0BuNnK2v13mdnfAojusg3DlL/C0qu2I82OvUGN5G6QyqpenA0a2PpNWz8D3WjV1m7o FkjdyDdzKhvvsIkJeuv6CxsMjIBIPupCx/aJSsM0ZHBAbes3SI3pKhgtpV+j3k0NSE LwqIRGBi8cYhw== 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 v8 20/53] media: Remove duplicated index vs q->num_buffers check Date: Wed, 27 Sep 2023 17:35:25 +0200 Message-Id: <20230927153558.159278-21-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927153558.159278-1-benjamin.gaignard@collabora.com> References: <20230927153558.159278-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230927_083618_923184_8B3921F2 X-CRM114-Status: UNSURE ( 9.08 ) X-CRM114-Notice: Please train this message. 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 vb2_get_buffer() already checks if the requested index is valid. Stop duplicating this kind of check everywhere. Signed-off-by: Benjamin Gaignard --- drivers/media/common/videobuf2/videobuf2-v4l2.c | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c b/drivers/media/common/videobuf2/videobuf2-v4l2.c index 655133f1ae2b..9a4b11279fe7 100644 --- a/drivers/media/common/videobuf2/videobuf2-v4l2.c +++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c @@ -378,11 +378,6 @@ static int vb2_queue_or_prepare_buf(struct vb2_queue *q, struct media_device *md return -EINVAL; } - if (b->index >= q->num_buffers) { - dprintk(q, 1, "%s: buffer index out of range\n", opname); - return -EINVAL; - } - vb = vb2_get_buffer(q, b->index); if (!vb) { dprintk(q, 1, "%s: buffer %u is NULL\n", opname, b->index); @@ -834,10 +829,6 @@ 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); @@ -909,10 +900,6 @@ 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);