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| author | Juan Quintela <quintela@redhat.com> | 2023-05-04 13:38:34 +0200 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2023-05-05 01:04:33 +0200 |
| commit | f3030d34401ffa1c6dd922eea42225b49b7077c0 (patch) | |
| tree | 3750174ef87c7a087327ec6cc067bd9aa4465e05 /migration/block.c | |
| parent | 520333490a3c082a8f65f572042637543c4bf148 (diff) | |
| download | focaccia-qemu-f3030d34401ffa1c6dd922eea42225b49b7077c0.tar.gz focaccia-qemu-f3030d34401ffa1c6dd922eea42225b49b7077c0.zip | |
migration: qemu_file_total_transferred() function is monotonic
So delta_bytes can only be greater or equal to zero. Never negative. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20230504113841.23130-3-quintela@redhat.com>
Diffstat (limited to 'migration/block.c')
| -rw-r--r-- | migration/block.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/migration/block.c b/migration/block.c index 6d532ac7a2..3499f75e37 100644 --- a/migration/block.c +++ b/migration/block.c @@ -801,13 +801,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque) qemu_put_be64(f, BLK_MIG_FLAG_EOS); delta_bytes = qemu_file_total_transferred(f) - last_bytes; - if (delta_bytes > 0) { - return 1; - } else if (delta_bytes < 0) { - return -1; - } else { - return 0; - } + return (delta_bytes > 0); } /* Called with iothread lock taken. */ |