From 1bff50afea94c6f8270e58095d9fa5321b3c812f Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Tue, 11 May 2021 12:37:04 +0200
Subject: [PATCH] tape locate_file: fix off by one error

---
 src/tape/drive/lto/sg_tape.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tape/drive/lto/sg_tape.rs b/src/tape/drive/lto/sg_tape.rs
index 6df69cb2..25c239a2 100644
--- a/src/tape/drive/lto/sg_tape.rs
+++ b/src/tape/drive/lto/sg_tape.rs
@@ -300,6 +300,8 @@ impl SgTape {
             return self.rewind();
         }
 
+        let position = position -1;
+
         let mut sg_raw = SgRaw::new(&mut self.file, 16)?;
         sg_raw.set_timeout(Self::SCSI_TAPE_DEFAULT_TIMEOUT);
         let mut cmd = Vec::new();