From 7ae05b9935fa74d900c8733b4723e692b493a6f9 Mon Sep 17 00:00:00 2001
From: Julian Orth <ju.orth@gmail.com>
Date: Thu, 5 Jun 2014 22:35:32 +0200
Subject: [PATCH] prevent infinite loop

---
 factor/factor.rs   | 3 +++
 md5sum/rust-crypto | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/factor/factor.rs b/factor/factor.rs
index 5d78cab0e..fcb87bb95 100644
--- a/factor/factor.rs
+++ b/factor/factor.rs
@@ -27,6 +27,9 @@ static NAME: &'static str = "factor";
 fn factor(mut num: u64) -> Vec<u64> {
     let mut ret = Vec::new();
 
+    if num < 2 {
+        return ret;
+    }
     while num % 2 == 0 {
         num /= 2;
         ret.push(2);
diff --git a/md5sum/rust-crypto b/md5sum/rust-crypto
index adde85617..1711f3a64 160000
--- a/md5sum/rust-crypto
+++ b/md5sum/rust-crypto
@@ -1 +1 @@
-Subproject commit adde85617a776ea98249504d653cb547a2353c98
+Subproject commit 1711f3a648a5ee1519963820f742b28693c1ce6d