drm/nouveau/gem: off by one bugs in nouveau_gem_pushbuf_reloc_apply()

The bo array has req->nr_buffers elements so the > should be >= so we
don't read beyond the end of the array.

Fixes: a1606a9596e5 ("drm/nouveau: new gem pushbuf interface, bump to 0.0.16")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 300daee74209..e6ccafcb9c41 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -616,7 +616,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
                 struct nouveau_bo *nvbo;
                 uint32_t data;
 
-                if (unlikely(r->bo_index > req->nr_buffers)) {
+                if (unlikely(r->bo_index >= req->nr_buffers)) {
                         NV_PRINTK(err, cli, "reloc bo index invalid\n");
                         ret = -EINVAL;
                         break;
@@ -626,7 +626,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
                 if (b->presumed.valid)
                         continue;
 
-                if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
+                if (unlikely(r->reloc_bo_index >= req->nr_buffers)) {
                         NV_PRINTK(err, cli, "reloc container bo index invalid\n");
                         ret = -EINVAL;
                         break;