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drm/amdgpu/mmhub2.0: add bounds checking for cid

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From Alex Deucher
2c4eea0eba197b036804cf4c76bd9b70aa02f30a in linux-6.18.y/6.18.20
0b26edac4ac5535df1f63e6e8ab44c24fe1acad7 in mainline linux
This commit is contained in:
jsg
2026-03-25 23:26:44 +00:00
parent 00c02f8868
commit ee6f1d582d
1 changed files with 6 additions and 3 deletions
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9
sys/dev/pci/drm/amd/amdgpu/mmhub_v2_0.c
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@@ -154,14 +154,17 @@ mmhub_v2_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
case IP_VERSION(2, 0, 0):
case IP_VERSION(2, 0, 2):
mmhub_cid = mmhub_client_ids_navi1x[cid][rw];
mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_navi1x) ?
mmhub_client_ids_navi1x[cid][rw] : NULL;
break;
case IP_VERSION(2, 1, 0):
case IP_VERSION(2, 1, 1):
mmhub_cid = mmhub_client_ids_sienna_cichlid[cid][rw];
mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_sienna_cichlid) ?
mmhub_client_ids_sienna_cichlid[cid][rw] : NULL;
break;
case IP_VERSION(2, 1, 2):
mmhub_cid = mmhub_client_ids_beige_goby[cid][rw];
mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_beige_goby) ?
mmhub_client_ids_beige_goby[cid][rw] : NULL;
break;
default:
mmhub_cid = NULL;