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authorBenjamin Gaignard <benjamin.gaignard@collabora.com>2023-11-09 17:34:55 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-11-23 12:35:58 +0100
commit912472fd07da4be0de80b49d61b8cb4fb1b0835b (patch)
treed1997c3eeb281630a59f89d054478896c26a32dd /drivers/media/usb
parentff2560f0263ab30e8ed4bec13495dce050e5d8cc (diff)
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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.c5
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);