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@xxxxxxxxxxxxx> Acked-by: Paul Kocialkowski <paul.kocialkowski@xxxxxxxxxxx> CC: Maxime Ripard <mripard@xxxxxxxxxx> --- drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 9 +++++++-- drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 9 +++++++-- 2 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c index dfb401df138a..3e2843ef6cce 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c @@ -653,8 +653,13 @@ static void cedrus_h264_stop(struct cedrus_ctx *ctx) vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - for (i = 0; i < vq->num_buffers; i++) { - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i = 0; i < vb2_get_num_buffers(vq); i++) { + struct vb2_buffer *vb = vb2_get_buffer(vq, i); + + if (!vb) + continue; + + buf = vb2_to_cedrus_buffer(vb); if (buf->codec.h264.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c index fc9297232456..52e94c8f2f01 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c @@ -869,8 +869,13 @@ static void cedrus_h265_stop(struct cedrus_ctx *ctx) vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - for (i = 0; i < vq->num_buffers; i++) { - buf = vb2_to_cedrus_buffer(vb2_get_buffer(vq, i)); + for (i = 0; i < vb2_get_num_buffers(vq); i++) { + struct vb2_buffer *vb = vb2_get_buffer(vq, i); + + if (!vb) + continue; + + buf = vb2_to_cedrus_buffer(vb); if (buf->codec.h265.mv_col_buf_size > 0) { dma_free_attrs(dev->dev, -- 2.39.2