diff options
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_fb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_fb.c b/drivers/gpu/drm/omapdrm/omap_fb.c index 3c6488e..b2c1a29 100644 --- a/drivers/gpu/drm/omapdrm/omap_fb.c +++ b/drivers/gpu/drm/omapdrm/omap_fb.c @@ -423,6 +423,14 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev, goto fail; } + if (pitch % format->planes[i].stride_bpp != 0) { + dev_err(dev->dev, + "buffer pitch (%d bytes) is not a multiple of pixel size (%d bytes)\n", + pitch, format->planes[i].stride_bpp); + ret = -EINVAL; + goto fail; + } + size = pitch * mode_cmd->height / format->planes[i].sub_y; if (size > (omap_gem_mmap_size(bos[i]) - mode_cmd->offsets[i])) { |