From patchwork Fri Sep 1 12:44:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13372521 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74FB8CA0FFB for ; Fri, 1 Sep 2023 12:44:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349535AbjIAMoj (ORCPT ); Fri, 1 Sep 2023 08:44:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349532AbjIAMoh (ORCPT ); Fri, 1 Sep 2023 08:44:37 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E148F10D7; Fri, 1 Sep 2023 05:44:31 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:4d01:31d2:de6b:d217]) (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 A975466072C2; Fri, 1 Sep 2023 13:44:29 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1693572270; bh=X/zFB6sk39TwCWXEBFU3kr1spD6NOhpHJy3eiUrcvDA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cpEEGpLXdGpIhHNmik96fdcLwP3Yi3XYlECXLHy3tJB4UQlhe8SX5lMjYS5zRboGn uXU6LXk0TZX1iESWy8n6lMzXVyaWBBW9RAmxD41PZPImp6dP7t684aDUwVMkKt52wW WWLrP2t3zJovgcyLjDEoL53N4UV2zqRUuop7Yda7PX1ZOcW7Ns4cxhG7WY2c8kmTpI Affa23Q+tsQoENZhFqE+sry2eN9DpYKbAwFffNWgY8vb3H3nBLUADQo8hp92dvBP+L SAODDCYXh3HqtKJlS04M4q31d1UqZ1aBWXckodCrsjxniXIlhoS+iTvyAHqaK+Bmq9 PDXjH59SVbrXg== 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 v6 09/18] media: atomisp: Use vb2_get_buffer() instead of directly access to buffers array Date: Fri, 1 Sep 2023 14:44:05 +0200 Message-Id: <20230901124414.48497-10-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230901124414.48497-1-benjamin.gaignard@collabora.com> References: <20230901124414.48497-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.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];