qcow2: Avoid shadowing variable in alloc_clusters_noref()
The i loop iterator is shadowed by the next free cluster index. Both
using the variable name 'i' makes the code harder to read.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 2661493..95491d3 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -556,8 +556,8 @@
nb_clusters = size_to_clusters(s, size);
retry:
for(i = 0; i < nb_clusters; i++) {
- int64_t i = s->free_cluster_index++;
- if (get_refcount(bs, i) != 0)
+ int64_t next_cluster_index = s->free_cluster_index++;
+ if (get_refcount(bs, next_cluster_index) != 0)
goto retry;
}
#ifdef DEBUG_ALLOC2
