From 0b954f30826af84499f655601f3ff625b158055e Mon Sep 17 00:00:00 2001
From: Sergei Pepyakin <sergei@parity.io>
Date: Wed, 3 Jul 2019 17:21:24 +0200
Subject: [PATCH] Fix the `len > isize::max_value()` condition
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Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>
---
 src/memory/mmap_bytebuf.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/memory/mmap_bytebuf.rs b/src/memory/mmap_bytebuf.rs
index 3fdad09..d9e7ed8 100644
--- a/src/memory/mmap_bytebuf.rs
+++ b/src/memory/mmap_bytebuf.rs
@@ -27,7 +27,7 @@ impl Mmap {
     /// - `len` should be greater than 0.
     /// - `mmap` returns an error (almost certainly means out of memory).
     fn new(len: usize) -> Result<Self, &'static str> {
-        if len >= isize::max_value() as usize {
+        if len > isize::max_value() as usize {
             return Err("`len` should not exceed `isize::max_value()`");
         }
         if len == 0 {