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drm/amdgpu: Fix out-of-bounds write warning

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[ Upstream commit be1684930f5262a622d40ce7a6f1423530d87f89 ]

Check the ring type value to fix the out-of-bounds
write warning

Signed-off-by: Ma Jun <Jun.Ma2@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ma Jun 2024-04-25 14:00:17 +08:00 committed by Greg Kroah-Hartman
parent 60097df938
commit c253b87c7c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
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@ -260,7 +260,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
ring->priority = DRM_SCHED_PRIORITY_NORMAL;
mutex_init(&ring->priority_mutex);
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)++] =