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authorBenjamin Gaignard <benjamin.gaignard@collabora.com>2023-11-09 17:34:57 +0100
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-11-23 12:36:42 +0100
commit7e17d44d61921cab8e52cb30cc082e3ee96abddd (patch)
tree0744c660c80b7a879c3986fec0dd0cc89f3959dd /drivers/media/usb/hackrf
parentca44d57a7020a45086c5a947eb72a33b2c1081ef (diff)
media: usb: hackrf: 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> CC: Antti Palosaari <crope@iki.fi> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/usb/hackrf')
-rw-r--r--drivers/media/usb/hackrf/hackrf.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index 3e535be2c520..9c0ecd5f056c 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -753,12 +753,13 @@ static int hackrf_queue_setup(struct vb2_queue *vq,
unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[])
{
struct hackrf_dev *dev = vb2_get_drv_priv(vq);
+ unsigned int q_num_bufs = vb2_get_num_buffers(vq);
dev_dbg(dev->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(dev->buffersize);