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-rw-r--r--block/block-backend.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/block-backend.c b/block/block-backend.c
index a3e613b383..ae30873df1 100644
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -18,7 +18,7 @@ struct BlockBackend {
char *name;
int refcnt;
BlockDriverState *bs;
- DriveInfo *legacy_dinfo;
+ DriveInfo *legacy_dinfo; /* null unless created by drive_new() */
QTAILQ_ENTRY(BlockBackend) link; /* for blk_backends */
};