diff options
| author | Benjamin Gaignard <benjamin.gaignard@collabora.com> | 2023-11-09 17:34:55 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-11-23 12:35:58 +0100 |
| commit | 912472fd07da4be0de80b49d61b8cb4fb1b0835b (patch) | |
| tree | d1997c3eeb281630a59f89d054478896c26a32dd /drivers/media/usb | |
| parent | ff2560f0263ab30e8ed4bec13495dce050e5d8cc (diff) | |
| download | lwn-912472fd07da4be0de80b49d61b8cb4fb1b0835b.tar.gz lwn-912472fd07da4be0de80b49d61b8cb4fb1b0835b.zip | |
media: usb: airspy: Stop direct calls to queue num_buffers field
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.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/airspy/airspy.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c index 462eb8423506..e24e655fb1db 100644 --- a/drivers/media/usb/airspy/airspy.c +++ b/drivers/media/usb/airspy/airspy.c @@ -482,12 +482,13 @@ static int airspy_queue_setup(struct vb2_queue *vq, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { struct airspy *s = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(s->dev, "nbuffers=%d\n", *nbuffers); /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers = 8 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 8) + *nbuffers = 8 - q_num_bufs; *nplanes = 1; sizes[0] = PAGE_ALIGN(s->buffersize); |