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Diffstat (limited to 'block/qcow2-refcount.c')
| -rw-r--r-- | block/qcow2-refcount.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 6cbae1d205..f47260b808 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -2450,7 +2450,7 @@ int qcow2_pre_write_overlap_check(BlockDriverState *bs, int ign, int64_t offset, if (ret < 0) { return ret; } else if (ret > 0) { - int metadata_ol_bitnr = ffs(ret) - 1; + int metadata_ol_bitnr = ctz32(ret); assert(metadata_ol_bitnr < QCOW2_OL_MAX_BITNR); qcow2_signal_corruption(bs, true, offset, size, "Preventing invalid " |