diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2026-03-04 17:24:10 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-17 12:18:46 -0400 |
| commit | a54403a534972af5d9ba5aaa3bb6ead612500ec6 (patch) | |
| tree | bc4e82b5aa49072b2391f36c475ebdb33f418ded /drivers/gpu | |
| parent | 0b26edac4ac5535df1f63e6e8ab44c24fe1acad7 (diff) | |
drm/amdgpu/mmhub2.3: add bounds checking for cid
The value should never exceed the array size as those
are the only values the hardware is expected to return,
but add checks anyway.
Reviewed-by: Benjamin Cheng <benjamin.cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 89cd90375c19fb45138990b70e9f4ba4806f05c4)
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c index 5eb8122e2746..ceb2f6b46de5 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v2_3.c @@ -94,7 +94,8 @@ mmhub_v2_3_print_l2_protection_fault_status(struct amdgpu_device *adev, case IP_VERSION(2, 3, 0): case IP_VERSION(2, 4, 0): case IP_VERSION(2, 4, 1): - mmhub_cid = mmhub_client_ids_vangogh[cid][rw]; + mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_vangogh) ? + mmhub_client_ids_vangogh[cid][rw] : NULL; break; default: mmhub_cid = NULL; |