radeon: return EINVAL for 0 length buffers.

Signed-off-by: Robert Noland <rnoland@2hip.net>
2009-10-14 13:58:56 -05:00
parent 22a0029a68
commit e5d6450c2c
1 changed files with 4 additions and 0 deletions
@@ -710,6 +710,10 @@ int radeon_bo_legacy_validate(struct radeon_bo *bo,
                bo, bo->size, bo_legacy->map_count);
        return -EINVAL;
    }
+    if(bo->size == 0) {
+        fprintf(stderr, "bo(%p) has size 0.\n", bo);
+        return -EINVAL;
+    }
    if (bo_legacy->static_bo || bo_legacy->validated) {
        *soffset = bo_legacy->offset;
        *eoffset = bo_legacy->offset + bo->size;