Commit 68bbca15 authored by Peikang Zhang's avatar Peikang Zhang Committed by Alex Deucher

drm/amd/display: dc_get_vmid_use_vector() crashes when get called

[Why]
int i can go out of boundary which will cause crash

[How]
Fixed the maximum value of i to avoid i going out of boundary
Signed-off-by: default avatarPeikang Zhang <peikang.zhang@amd.com>
Reviewed-by: default avatarJun Lei <Jun.Lei@amd.com>
Acked-by: default avatarBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 76c332c3
...@@ -62,7 +62,7 @@ int dc_get_vmid_use_vector(struct dc *dc) ...@@ -62,7 +62,7 @@ int dc_get_vmid_use_vector(struct dc *dc)
int i; int i;
int in_use = 0; int in_use = 0;
for (i = 0; i < dc->vm_helper->num_vmid; i++) for (i = 0; i < MAX_HUBP; i++)
in_use |= dc->vm_helper->hubp_vmid_usage[i].vmid_usage[0] in_use |= dc->vm_helper->hubp_vmid_usage[i].vmid_usage[0]
| dc->vm_helper->hubp_vmid_usage[i].vmid_usage[1]; | dc->vm_helper->hubp_vmid_usage[i].vmid_usage[1];
return in_use; return in_use;
......
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