Re: [PATCH v2] drm/amdgpu: Fix out-of-bounds write warning

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Am 06.05.24 um 07:59 schrieb Ma Jun:
Check the ring type value to fix the out-of-bounds
write warning

Signed-off-by: Ma Jun <Jun.Ma2@xxxxxxx>
Suggested-by: Christian König <christian.koenig@xxxxxxx>

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

---
  drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 15c240656470..ad49cecb20b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -352,7 +352,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
  	ring->max_dw = max_dw;
  	ring->hw_prio = hw_prio;
- if (!ring->no_scheduler) {
+	if (!ring->no_scheduler && ring->funcs->type < AMDGPU_HW_IP_NUM) {
  		hw_ip = ring->funcs->type;
  		num_sched = &adev->gpu_sched[hw_ip][hw_prio].num_scheds;
  		adev->gpu_sched[hw_ip][hw_prio].sched[(*num_sched)++] =




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