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-rw-r--r--block/blkverify.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/blkverify.c b/block/blkverify.c
index 1563c88324..7d8a32ec79 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -135,6 +135,7 @@ static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Open the raw file */
+ assert(bs->file == NULL);
ret = bdrv_open_image(&bs->file, qemu_opt_get(opts, "x-raw"), options,
"raw", flags, true, false, &local_err);
if (ret < 0) {
@@ -143,6 +144,7 @@ static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
}
/* Open the test file */
+ assert(s->test_file == NULL);
ret = bdrv_open_image(&s->test_file, qemu_opt_get(opts, "x-image"), options,
"test", flags, false, false, &local_err);
if (ret < 0) {