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-rw-r--r--block.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block.c b/block.c
index 2d74bfe665..4d727aa38c 100644
--- a/block.c
+++ b/block.c
@@ -7153,6 +7153,7 @@ static void bdrv_detach_aio_context(BlockDriverState *bs)
if (bs->quiesce_counter) {
aio_enable_external(bs->aio_context);
}
+ assert_bdrv_graph_writable(bs);
bs->aio_context = NULL;
}
@@ -7166,6 +7167,7 @@ static void bdrv_attach_aio_context(BlockDriverState *bs,
aio_disable_external(new_context);
}
+ assert_bdrv_graph_writable(bs);
bs->aio_context = new_context;
if (bs->drv && bs->drv->bdrv_attach_aio_context) {