amdgpu: fix vamgr_free_va logic

va+size will overflow if va equals to AMDGPU_INVALID_VA_ADDRESS, just
return when hit that condition

Signed-off-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Jammy Zhou <jammy.zhou@amd.com>

diff --git a/amdgpu/amdgpu_vamgr.c b/amdgpu/amdgpu_vamgr.c
index 877e0baaf03d118dc412e3968dcfae5c32dcb418..34c28878eb4e4332549bb332934c8e78ca0c5500 100644 (file)
--- a/amdgpu/amdgpu_vamgr.c
+++ b/amdgpu/amdgpu_vamgr.c
@@ -113,6 +113,9 @@ void amdgpu_vamgr_free_va(struct amdgpu_bo_va_mgr *mgr, uint64_t va,
 {
        struct amdgpu_bo_va_hole *hole;
 
+       if (va == AMDGPU_INVALID_VA_ADDRESS)
+               return;
+
        size = ALIGN(size, mgr->va_alignment);
 
        pthread_mutex_lock(&mgr->bo_va_mutex);