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Subject: media: media videobuf2: Stop direct calls to queue num_buffers field
Author: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Date: Thu Jan 18 13:14:52 2024 +0100
Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.
This allows us to change how the number of buffers is computed in the
future.
Fixes: d055a76c0065 ("media: core: Report the maximum possible number of
buffers for the queue")
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Acked-by: Tomasz Figa <tf...@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/common/videobuf2/videobuf2-core.c | 2 +-
drivers/media/common/videobuf2/videobuf2-v4l2.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/drivers/media/common/videobuf2/videobuf2-core.c
b/drivers/media/common/videobuf2/videobuf2-core.c
index 41a832dd1426..b6bf8f232f48 100644
--- a/drivers/media/common/videobuf2/videobuf2-core.c
+++ b/drivers/media/common/videobuf2/videobuf2-core.c
@@ -989,7 +989,7 @@ int vb2_core_create_bufs(struct vb2_queue *q, enum
vb2_memory memory,
bool no_previous_buffers = !q_num_bufs;
int ret = 0;
- if (q->num_buffers == q->max_num_buffers) {
+ if (q_num_bufs == q->max_num_buffers) {
dprintk(q, 1, "maximum number of buffers already allocated\n");
return -ENOBUFS;
}
diff --git a/drivers/media/common/videobuf2/videobuf2-v4l2.c
b/drivers/media/common/videobuf2/videobuf2-v4l2.c
index 54d572c3b515..6380155d8575 100644
--- a/drivers/media/common/videobuf2/videobuf2-v4l2.c
+++ b/drivers/media/common/videobuf2/videobuf2-v4l2.c
@@ -1029,7 +1029,7 @@ int vb2_ioctl_create_bufs(struct file *file, void *priv,
int res = vb2_verify_memory_type(vdev->queue, p->memory,
p->format.type);
- p->index = vdev->queue->num_buffers;
+ p->index = vb2_get_num_buffers(vdev->queue);
fill_buf_caps(vdev->queue, &p->capabilities);
validate_memory_flags(vdev->queue, p->memory, &p->flags);
/*
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