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drm/amdgpu: bounds check xcp ip block index

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Check out of range values for ip block.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2026-06-18 10:45:10 +05:30 committed by Alex Deucher
parent fed5bdbfe1
commit 7445035dd3
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c
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@ -381,7 +381,8 @@ int amdgpu_xcp_get_inst_details(struct amdgpu_xcp *xcp,
enum AMDGPU_XCP_IP_BLOCK ip,
uint32_t *inst_mask)
{
if (!xcp->valid || !inst_mask || !(xcp->ip[ip].valid))
if (!xcp->valid || !inst_mask || ip >= AMDGPU_XCP_MAX_BLOCKS ||
!(xcp->ip[ip].valid))
return -EINVAL;
*inst_mask = xcp->ip[ip].inst_mask;