| Message ID | 20231031163104.112469-10-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add DELETE_BUF ioctl | expand |
W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze: > Use vb2_get_buffer() instead of direct access to the vb2_queue bufs array. > This allows us to change the type of the bufs in the future. > After each call to vb2_get_buffer() we need to be sure that we get > a valid pointer so check the return value of all of them. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> > CC: Ming Qian <ming.qian@nxp.com> > CC: Zhou Peng <eagle.zhou@nxp.com> > --- > drivers/media/platform/amphion/vpu_dbg.c | 22 ++++++++++++++++++---- > 1 file changed, 18 insertions(+), 4 deletions(-) > > diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platform/amphion/vpu_dbg.c > index 982c2c777484..a462d6fe4ea9 100644 > --- a/drivers/media/platform/amphion/vpu_dbg.c > +++ b/drivers/media/platform/amphion/vpu_dbg.c > @@ -140,11 +140,18 @@ static int vpu_dbg_instance(struct seq_file *s, void *data) > > vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx); > for (i = 0; i < vq->num_buffers; i++) { > - struct vb2_buffer *vb = vq->bufs[i]; > - struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + struct vb2_buffer *vb; > + struct vb2_v4l2_buffer *vbuf; > + > + vb = vb2_get_buffer(vq, i); > + if (!vb) > + continue; > > if (vb->state == VB2_BUF_STATE_DEQUEUED) > continue; > + > + vbuf = to_vb2_v4l2_buffer(vb); > + > num = scnprintf(str, sizeof(str), > "output [%2d] state = %10s, %8s\n", > i, vb2_stat_name[vb->state], > @@ -155,11 +162,18 @@ static int vpu_dbg_instance(struct seq_file *s, void *data) > > vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx); > for (i = 0; i < vq->num_buffers; i++) { > - struct vb2_buffer *vb = vq->bufs[i]; > - struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + struct vb2_buffer *vb; > + struct vb2_v4l2_buffer *vbuf; > + > + vb = vb2_get_buffer(vq, i); > + if (!vb) > + continue; > > if (vb->state == VB2_BUF_STATE_DEQUEUED) > continue; > + > + vbuf = to_vb2_v4l2_buffer(vb); > + > num = scnprintf(str, sizeof(str), > "capture[%2d] state = %10s, %8s\n", > i, vb2_stat_name[vb->state],
diff --git a/drivers/media/platform/amphion/vpu_dbg.c b/drivers/media/platform/amphion/vpu_dbg.c index 982c2c777484..a462d6fe4ea9 100644 --- a/drivers/media/platform/amphion/vpu_dbg.c +++ b/drivers/media/platform/amphion/vpu_dbg.c @@ -140,11 +140,18 @@ static int vpu_dbg_instance(struct seq_file *s, void *data) vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx); for (i = 0; i < vq->num_buffers; i++) { - struct vb2_buffer *vb = vq->bufs[i]; - struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vb2_buffer *vb; + struct vb2_v4l2_buffer *vbuf; + + vb = vb2_get_buffer(vq, i); + if (!vb) + continue; if (vb->state == VB2_BUF_STATE_DEQUEUED) continue; + + vbuf = to_vb2_v4l2_buffer(vb); + num = scnprintf(str, sizeof(str), "output [%2d] state = %10s, %8s\n", i, vb2_stat_name[vb->state], @@ -155,11 +162,18 @@ static int vpu_dbg_instance(struct seq_file *s, void *data) vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx); for (i = 0; i < vq->num_buffers; i++) { - struct vb2_buffer *vb = vq->bufs[i]; - struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct vb2_buffer *vb; + struct vb2_v4l2_buffer *vbuf; + + vb = vb2_get_buffer(vq, i); + if (!vb) + continue; if (vb->state == VB2_BUF_STATE_DEQUEUED) continue; + + vbuf = to_vb2_v4l2_buffer(vb); + num = scnprintf(str, sizeof(str), "capture[%2d] state = %10s, %8s\n", i, vb2_stat_name[vb->state],
Use vb2_get_buffer() instead of direct access to the vb2_queue bufs array. This allows us to change the type of the bufs in the future. After each call to vb2_get_buffer() we need to be sure that we get a valid pointer so check the return value of all of them. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> CC: Ming Qian <ming.qian@nxp.com> CC: Zhou Peng <eagle.zhou@nxp.com> --- drivers/media/platform/amphion/vpu_dbg.c | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-)