From 69697535bfca47419333064758bc61a00eca0d79 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 4 Feb 2018 22:36:57 -0500
Subject: [PATCH] lm: Ensure log string is non-empty before checking back().

---
 src/core/hle/service/lm/lm.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/hle/service/lm/lm.cpp b/src/core/hle/service/lm/lm.cpp
index 2843e0e40..7ff9c37f3 100644
--- a/src/core/hle/service/lm/lm.cpp
+++ b/src/core/hle/service/lm/lm.cpp
@@ -125,7 +125,7 @@ private:
         if (line) {
             output += std::to_string(line) + ':';
         }
-        if (output.back() == ':') {
+        if (output.length() > 0 && output.back() == ':') {
             output += ' ';
         }
         output += message;