media: coda: 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: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/platform/chips-media/coda/coda-common.c b/drivers/media/platform/chips-media/coda/coda-common.c
index cc4892129aaf666ee93d366b98b1ba86a74eb65b..f1d85758f6ddbe397dae59d495eea48587bf6e0c 100644 (file)
--- a/drivers/media/platform/chips-media/coda/coda-common.c
+++ b/drivers/media/platform/chips-media/coda/coda-common.c
@@ -794,7 +794,7 @@ static int coda_s_fmt(struct coda_ctx *ctx, struct v4l2_format *f,
 
        if (vb2_is_busy(vq)) {
                v4l2_err(&ctx->dev->v4l2_dev, "%s: %s queue busy: %d\n",
-                        __func__, v4l2_type_names[f->type], vq->num_buffers);
+                        __func__, v4l2_type_names[f->type], vb2_get_num_buffers(vq));
                return -EBUSY;
        }