use xmallocz to avoid size arithmetic

diff --git a/bisect.c b/bisect.c
index 42aa7aa6aa1e53e66bafd47d76b783514dcfabf1..6d0793b9fc240f4f4e3898644e9506ecec6a1035 100644 (file)
--- a/bisect.c
+++ b/bisect.c
@@ -708,10 +708,10 @@ static struct commit *get_commit_reference(const unsigned char *sha1)
 
 static struct commit **get_bad_and_good_commits(int *rev_nr)
 {
-       int len = 1 + good_revs.nr;
-       struct commit **rev = xmalloc(len * sizeof(*rev));
+       struct commit **rev;
        int i, n = 0;
 
+       ALLOC_ARRAY(rev, 1 + good_revs.nr);
        rev[n++] = get_commit_reference(current_bad_oid->hash);
        for (i = 0; i < good_revs.nr; i++)
                rev[n++] = get_commit_reference(good_revs.sha1[i]);