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-rw-r--r--block.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block.c b/block.c
index 8800a6b5b3..c9629a44b9 100644
--- a/block.c
+++ b/block.c
@@ -4040,7 +4040,7 @@ int coroutine_fn bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num,
     if (ret < 0) {
         return ret;
     }
-    return (ret & BDRV_BLOCK_ALLOCATED);
+    return !!(ret & BDRV_BLOCK_ALLOCATED);
 }
 
 /*