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 10:49:33 -0400 |
| commit | 89cd90375c19fb45138990b70e9f4ba4806f05c4 (patch) | |
| tree | b5aa89d15a9fef363453536ef016e7904231c6dd /drivers/gpu/drm/amd/amdgpu | |
| parent | e064cef4b53552602bb6ac90399c18f662f3cacd (diff) | |
| download | lwn-89cd90375c19fb45138990b70e9f4ba4806f05c4.tar.gz lwn-89cd90375c19fb45138990b70e9f4ba4806f05c4.zip | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -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; |