Add bounds check to prevent array overflow.
Signed-off-by: YiPeng Chai <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 94ddb8b98abf..0a2136668b68 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -5064,6 +5064,9 @@ static void amdgpu_register_bad_pages_mca_notifier(struct
amdgpu_device *adev)
* Use this list instead of mgpu_info to find the amdgpu
* device on which the UMC error was reported.
*/
+ if (mce_adev_list.num_gpu >= MAX_GPU_INSTANCE)
+ return;
+
mce_adev_list.devs[mce_adev_list.num_gpu++] = adev;
/*
--
2.43.0
