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-rw-r--r--block/io.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/block/io.c b/block/io.c
index c2611e53c8..4520cab852 100644
--- a/block/io.c
+++ b/block/io.c
@@ -844,6 +844,7 @@ static int coroutine_fn bdrv_aligned_preadv(BlockDriverState *bs,
assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
assert(!qiov || bytes == qiov->size);
+ assert((bs->open_flags & BDRV_O_NO_IO) == 0);
/* Handle Copy on Read and associated serialisation */
if (flags & BDRV_REQ_COPY_ON_READ) {
@@ -1130,6 +1131,7 @@ static int coroutine_fn bdrv_aligned_pwritev(BlockDriverState *bs,
assert((offset & (BDRV_SECTOR_SIZE - 1)) == 0);
assert((bytes & (BDRV_SECTOR_SIZE - 1)) == 0);
assert(!qiov || bytes == qiov->size);
+ assert((bs->open_flags & BDRV_O_NO_IO) == 0);
waited = wait_serialising_requests(req);
assert(!waited || !req->serialising);