dany/facetimehd
1
0
Fork 0
mirror of https://github.com/patjak/facetimehd.git synced 2026-04-09 19:10:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

facetimehd: Fail when too small buffers are requested

Browse Source 
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
This commit is contained in:
Patrik Jakobsson
2016-01-03 15:41:22 +01:00
parent 766030b5ea
commit dc55cf3a18
1 changed files with 9 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
fthd_v4l2.c
View File

@@ -46,6 +46,7 @@ static int fthd_buffer_queue_setup(struct vb2_queue *vq,
unsigned int sizes[], void *alloc_ctxs[])
{
struct fthd_private *dev_priv = vb2_get_drv_priv(vq);
struct v4l2_pix_format *cur_fmt = &dev_priv->fmt.fmt;
int i, total_size = 0;
*nplanes = dev_priv->fmt.planes;
@@ -53,8 +54,13 @@ static int fthd_buffer_queue_setup(struct vb2_queue *vq,
if (!*nplanes)
return -EINVAL;
for(i = 0; i < *nplanes; i++) {
sizes[i] = dev_priv->fmt.fmt.sizeimage;
/* FIXME: We assume single plane format here but not below */
if (fmt && fmt->fmt.pix.sizeimage <
(cur_fmt->bytesperline * cur_fmt->height))
return -EINVAL;
for (i = 0; i < *nplanes; i++) {
sizes[i] = cur_fmt->sizeimage;
alloc_ctxs[i] = dev_priv->alloc_ctx;
total_size += sizes[i];
}
@@ -65,6 +71,7 @@ static int fthd_buffer_queue_setup(struct vb2_queue *vq,
if (*nbuffers <= 1)
return -ENOMEM;
pr_debug("using %d buffers\n", *nbuffers);
return 0;
}