linux-kernel - [PATCH 25/55] media: ipu3: Stop abusing of min_buffers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20231127165454.166373-26-benjamin.gaignard@collabora.com>
Date:   Mon, 27 Nov 2023 17:54:24 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     hverkuil@...all.nl, mchehab@...nel.org, tfiga@...omium.org,
        m.szyprowski@...sung.com, matt.ranostay@...sulko.com
Cc:     linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev, kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Bingbu Cao <bingbu.cao@...el.com>,
        Tianshu Qiu <tian.shu.qiu@...el.com>
Subject: [PATCH 25/55] media: ipu3: Stop abusing of min_buffers_needed field

'min_buffers_needed' is suppose to be used to indicate the number
of buffers needed by DMA engine to start streaming.
ipu3 driver doesn't use DMA engine and just want to specify
the minimum number of buffers to allocate when calling VIDIOC_REQBUFS.
That 'min_reqbufs_allocation' field purpose so use it.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
CC: Sakari Ailus <sakari.ailus@...ux.intel.com>
CC: Bingbu Cao <bingbu.cao@...el.com>
CC: Tianshu Qiu <tian.shu.qiu@...el.com>
---
 drivers/staging/media/ipu3/ipu3-v4l2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c
index 0fe2b858da83..197326fbcc2c 100644
--- a/drivers/staging/media/ipu3/ipu3-v4l2.c
+++ b/drivers/staging/media/ipu3/ipu3-v4l2.c
@@ -1198,7 +1198,7 @@ static int imgu_v4l2_node_setup(struct imgu_device *imgu, unsigned int pipe,
 	vbq->buf_struct_size = imgu->buf_struct_size;
 	vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 	/* can streamon w/o buffers */
-	vbq->min_buffers_needed = 0;
+	vbq->min_reqbufs_allocation = 0;
 	vbq->drv_priv = imgu;
 	vbq->lock = &node->lock;
 	r = vb2_queue_init(vbq);
-- 
2.39.2