drm/tegra: Fix comparison operator for buffer size

Here we are checking for the buffer length, not an offset for writing
to, so using > is correct. The current code incorrectly rejects a
command buffer ending at the memory buffer's end.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Mikko Perttunen 2018-06-20 16:03:58 +03:00 committed by Thierry Reding
parent ec58923215
commit 5265f0338b

View File

@ -398,7 +398,7 @@ int tegra_drm_submit(struct tegra_drm_context *context,
* unaligned offset is malformed and cause commands stream
* corruption on the buffer address relocation.
*/
if (offset & 3 || offset >= obj->gem.size) {
if (offset & 3 || offset > obj->gem.size) {
err = -EINVAL;
goto fail;
}