From f02ca52281315cb6067a3798450bc814837c85ef Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 28 Dec 2014 02:07:32 +0100
Subject: [PATCH 1/1] util: treat -1 as special size in format_bytes()

---
 src/shared/util.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/shared/util.c b/src/shared/util.c
index 92b4d498f..dfaf7f7f4 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5184,6 +5184,9 @@ char *format_bytes(char *buf, size_t l, off_t t) {
                 { "K", 1024ULL },
         };
 
+        if (t == (off_t) -1)
+                return NULL;
+
         for (i = 0; i < ELEMENTSOF(table); i++) {
 
                 if (t >= table[i].factor) {
-- 
2.30.2