[PATCH] drm/amdgpu: add check for xcp id

[Gangliang Xie]

check sel_xcp_id before its use

Signed-off-by: Gangliang Xie <gangl...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
index 88e6eab91bc6..39416ff7386e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
@@ -576,6 +576,9 @@ static void amdgpu_xcp_gpu_sched_update(struct 
amdgpu_device *adev,
 {
        unsigned int *num_gpu_sched;
 
+       if (sel_xcp_id >= MAX_XCP || sel_xcp_id == AMDGPU_XCP_NO_PARTITION)
+               return;
+
        num_gpu_sched = &adev->xcp_mgr->xcp[sel_xcp_id]
                        .gpu_sched[ring->funcs->type][ring->hw_prio].num_scheds;
        
adev->xcp_mgr->xcp[sel_xcp_id].gpu_sched[ring->funcs->type][ring->hw_prio]
-- 
2.34.1