pack-revindex.c: rearrange xcalloc arguments

diff --git a/commit.c b/commit.c
index 0f28902bc351fef9d621cfe290f887921ec779c4..881be3baa3ccc70afab916331588afb9330258ed 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -721,7 +721,7 @@ void sort_in_topological_order(struct commit_list **list, enum rev_sort_order so
 
 /* merge-base stuff */
 
-/* bits #0..15 in revision.h */
+/* Remember to update object flag allocation in object.h */
 #define PARENT1                (1u<<16)
 #define PARENT2                (1u<<17)
 #define STALE          (1u<<18)
@@ -1031,7 +1031,7 @@ struct commit_list *reduce_heads(struct commit_list *heads)
                p->item->object.flags |= STALE;
                num_head++;
        }
-       array = xcalloc(sizeof(*array), num_head);
+       array = xcalloc(num_head, sizeof(*array));
        for (p = heads, i = 0; p; p = p->next) {
                if (p->item->object.flags & STALE) {
                        array[i++] = p->item;