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: 13372533 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 B548ACA0FE8 for ; Fri, 1 Sep 2023 12:45:03 +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=etuGB0ig+YfwOMH5DMoCx2e3o/bVGJDuPKqvOV4n+KA=; b=dyPpebmk+vUQC0N58JANGJWTPU 9aOAPtCvPxb0k7HeC9LtrBH+gaa7DBBEAe/OmJegEr2wICX2HMaEHAHA1DbwUw8z6qgMjN2VZ7TCn 65bLQVw1ugOIQJv/MiGL3M5TY8BgM53WahlLgmzetUI6HB/5umK8VswK6vdraOTiXJyKUQazwYmi7 /FIG4Yc8uLb+YIiW9+aXB1+OQrLmWRNorxIC1igP1EKQjvj0/ZX3CWEddJgI9vtYYtsRuwfiGi2YC 9cIM7UilqEdgVkhSNCxaASV4OiC0lMefIqVY1lMoM/e/3BkkMDFWebGrRYFm/6yJgV4gJIYIw8FdH r06h4NWA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qc3WI-00HUtD-1K; Fri, 01 Sep 2023 12:45:02 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qc3Vn-00HUII-0v; Fri, 01 Sep 2023 12:44:32 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230901_054431_598945_23127DEE X-CRM114-Status: GOOD ( 12.51 ) 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 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];