[PATCH v7 24/49] media: pci: dt3155: Stop direct calls to queue num_buffers field

Benjamin Gaignard benjamin.gaignard at collabora.com
Thu Sep 14 06:32:58 PDT 2023


Use vb2_get_num_buffers() to avoid using queue num_buffer field directly.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
---
 drivers/media/pci/dt3155/dt3155.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/dt3155/dt3155.c b/drivers/media/pci/dt3155/dt3155.c
index 548156b199cc..d3abb0e093c1 100644
--- a/drivers/media/pci/dt3155/dt3155.c
+++ b/drivers/media/pci/dt3155/dt3155.c
@@ -126,10 +126,11 @@ dt3155_queue_setup(struct vb2_queue *vq,
 
 {
 	struct dt3155_priv *pd = vb2_get_drv_priv(vq);
+	unsigned int q_num_bufs = vb2_get_num_buffers(vq);
 	unsigned size = pd->width * pd->height;
 
-	if (vq->num_buffers + *nbuffers < 2)
-		*nbuffers = 2 - vq->num_buffers;
+	if (q_num_bufs + *nbuffers < 2)
+		*nbuffers = 2 - q_num_bufs;
 	if (*num_planes)
 		return sizes[0] < size ? -EINVAL : 0;
 	*num_planes = 1;
-- 
2.39.2




More information about the Linux-mediatek mailing list