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drm/tegra: Fix comparison operator for buffer size

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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
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tegra/drm.c
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@ -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;
}