From 13f852bd20a7c12380794d34ee7d025639d68834 Mon Sep 17 00:00:00 2001
From: Aaron Kaiser <a_kaiser@posteo.de>
Date: Mon, 26 Aug 2024 11:53:36 +0200
Subject: [PATCH] Make sure private_file does not get closed by rusts borrow
 checker

---
 src/main.rs | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 75b37b6..d22eebc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -21,7 +21,7 @@ fn main() {
 
     let sync_fd: c_int = args[1]
         .parse()
-        .expect("Please provide a valid file descriptor as first argument");
+        .expect("Please provide a valid file descriptor as second argument");
 
     let shared_memory = unsafe {
         mmap(
@@ -51,12 +51,11 @@ fn main() {
         .read(true)
         .write(true)
         .open(&args[2])
-        .expect("Cannot open KEY_FILE")
-        .as_raw_fd()
-        .try_into()
-        .unwrap();
+        .expect("Cannot open KEY_FILE");
 
     unsafe {
-        agent_start(shared_memory, sync_memory, private_file);
+        agent_start(shared_memory, sync_memory, private_file.as_raw_fd().try_into().unwrap());
     }
+
+    drop(private_file); // don't drop (and close) private file before here
 }