diff options
Diffstat (limited to 'drivers/media/test-drivers/vivid/vivid-vid-cap.c')
| -rw-r--r-- | drivers/media/test-drivers/vivid/vivid-vid-cap.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c index 86b158eeb2d8..e3e78b5bd227 100644 --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c @@ -1276,7 +1276,14 @@ int vivid_vid_cap_s_fbuf(struct file *file, void *fh, return -EINVAL; if (a->fmt.bytesperline < (a->fmt.width * fmt->bit_depth[0]) / 8) return -EINVAL; - if (a->fmt.height * a->fmt.bytesperline < a->fmt.sizeimage) + if (a->fmt.bytesperline > a->fmt.sizeimage / a->fmt.height) + return -EINVAL; + + /* + * Only support the framebuffer of one of the vivid instances. + * Anything else is rejected. + */ + if (!vivid_validate_fb(a)) return -EINVAL; dev->fb_vbase_cap = phys_to_virt((unsigned long)a->base); |