From: Peikang Zhang <peikang.zhang@xxxxxxx> [ Upstream commit 68bbca15e7062f4ae16531e29893f78d0b4840b6 ] [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: Peikang Zhang <peikang.zhang@xxxxxxx> Reviewed-by: Jun Lei <Jun.Lei@xxxxxxx> Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c b/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c index a96d8de9380e6..f2b39ec35c898 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_vm_helper.c @@ -62,7 +62,7 @@ int dc_get_vmid_use_vector(struct dc *dc) int i; 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] | dc->vm_helper->hubp_vmid_usage[i].vmid_usage[1]; return in_use; -- 2.20.1
