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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 08eced097bd8..d8b3c9198d33 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -112,6 +112,9 @@ static int amdgpu_cs_p1_ib(struct amdgpu_cs_parser *p,
if (r < 0)
return r;
+ if (num_ibs[r] >= amdgpu_ring_max_ibs(chunk_ib->ip_type))
+ return -EINVAL;
+
++(num_ibs[r]);
p->gang_leader_idx = r;
return 0;