[PATCH] drm/amdkfd: Fix for possible integer overflow

[David Yat Sin]

Fix for possible integer overflow when doing addition.

Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: David Yat Sin <david.yat...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index c3f252fc337b..6eca9509f2e3 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -786,7 +786,7 @@ int kfd_criu_restore_queue(struct kfd_process *p,
        }
 
        *priv_data_offset += sizeof(*q_data);
-       q_extra_data_size = q_data->ctl_stack_size + q_data->mqd_size;
+       q_extra_data_size = (uint64_t)q_data->ctl_stack_size + q_data->mqd_size;
 
        if (*priv_data_offset + q_extra_data_size > max_priv_data_size) {
                ret = -EINVAL;
-- 
2.17.1