From 4f08acf4abccc7fbad0fee6b18d0b2aa6e27093e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Harabie=C5=84?= <rafalh1992@o2.pl>
Date: Sun, 17 Jun 2018 16:34:08 +0200
Subject: [PATCH] Do not mount volume if fs_version field in BPB is not zero

---
 src/fs.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/fs.rs b/src/fs.rs
index 0b7ea4e..6733b16 100644
--- a/src/fs.rs
+++ b/src/fs.rs
@@ -390,6 +390,10 @@ impl <T: ReadWriteSeek> FileSystem<T> {
             boot.bpb
         };
 
+        if bpb.fs_version != 0 {
+            return Err(Error::new(ErrorKind::Other, "unknown FS version"));
+        }
+
         let total_sectors =
             if bpb.total_sectors_16 == 0 { bpb.total_sectors_32 }
             else { bpb.total_sectors_16 as u32 };