From patchwork Thu Sep 14 13:32:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13385223 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 18F52EEAA42 for ; Thu, 14 Sep 2023 13:34:42 +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=iYiVNApuKX4zirlPC4yNSkDHmgNgrzpBavKxwJIqPVQ=; b=BKBx9AhMr9isTt UTvE0g6ssfuWx+p2JYfX8aEd3ukExRQNjR2dlX06g2lOdgHs/jOqcQqusTqA93MhwM5DQqmn2TL51 dPnuO4j175Y7fDk9o1bqk3ofe0qzhHViyviQxh2I4yuhpXPmzxbVmjpV5a3uN49sRE0a3MdWetenZ ajgmNNdtPx1aU4j6Gj3vPpZSOtMnaDbs0MtGnb/l0fwqF1xLq6AklK5XB3ozX9+Q4IC+ZoBqlB+zI jDps7ZilkDzOE1nDIPV+/JFZ6WAKQxlxwEM92D6KN0xo/+r5UgNJT+xpia1/Gko3CSwMNckO4TrJW j0Km5l1VYmeItD72CLbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qgmUP-008TJC-1R; Thu, 14 Sep 2023 13:34:37 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qgmTY-008SIh-32; Thu, 14 Sep 2023 13:33:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=etuGB0ig+YfwOMH5DMoCx2e3o/bVGJDuPKqvOV4n+KA=; b=EQHitIrmHd89alXiIMYSRQemPX hm5s9IHPDg1XqaTSVueNO97hBiB3t8JMpL+xF2Pk6sNpnbjIPhWwVwBBgJotEBmORoMoicheAQsMM noFkiSQeAmqX2kNqH/riHjmFGwvHbpCR5cvjyxnlMkEwU0n2hZOSaWYiXRuUeDm161hxY1bt9SBZH l6PMKNaHIr5EnBdEDpfdMPjR7zGUonW//CCBrP6DTPjQgALw+Hw54IsS7FkGSGxcO9ixXKFArM0/n 0tQj2gkRjK55G7DBk4Ad+X2oO7Ux0CNrTxR3bXY8cBXiqJRlwtbuSv4vNu0byG5gyL6N5o/72d18E gOQZ/kSQ==; Received: from madras.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e5ab]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qgmTT-007ueT-1b; Thu, 14 Sep 2023 13:33:43 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:36f2:37bd:ccbb:373f]) (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 D70C6660735D; Thu, 14 Sep 2023 14:33:35 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1694698416; bh=X/zFB6sk39TwCWXEBFU3kr1spD6NOhpHJy3eiUrcvDA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IhAr/pB+7jbK98HaC+CDXBPJxwbrA0EolyLkR2rr5/dJT27A0JoXzfwYFPiOShKHt 8HCev71j27Y1iYDhKVPj+CQloPTiEuUjz1v4iwwqXUwdngyRpcuZMBOk/nLqQLOb9N fVLnOf+Yx+D2DhJWroHcWEz8HDJbiMyjaIf0/sLaQB8liN4SPnoIdRF65dP/8Gupfv oXsJyZgLktFfPZZ/eNruXdL8vOSjLdS1XhnShSbcLfqv1Boli2/LvJ4MQTbqGDD0XS ebcWjbkSBmXSy/HXcwWu8If/ImAn9g1XyyhIkfwyUTFv6dPP896hNr+fKpjoVFsFeo r04qqUCp/56Mw== 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 v7 09/49] media: atomisp: Use vb2_get_buffer() instead of directly access to buffers array Date: Thu, 14 Sep 2023 15:32:43 +0200 Message-Id: <20230914133323.198857-10-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230914133323.198857-1-benjamin.gaignard@collabora.com> References: <20230914133323.198857-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230914_143341_304092_74FC1775 X-CRM114-Status: GOOD ( 11.81 ) 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 Use vb2_get_buffer() instead of directly access to vb2_buffer buffer array. This could allow to change the type bufs[] field of vb2_buffer structure if needed. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard --- drivers/staging/media/atomisp/pci/atomisp_ioctl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c index d2174156573a..4b65c69fa60d 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -1061,7 +1061,7 @@ static int atomisp_dqbuf_wrapper(struct file *file, void *fh, struct v4l2_buffer if (ret) return ret; - vb = pipe->vb_queue.bufs[buf->index]; + vb = vb2_get_buffer(&pipe->vb_queue, buf->index); frame = vb_to_frame(vb); buf->reserved = asd->frame_status[buf->index];