From 35379c90e64f167e6fa3d0770bb8ed1b75a98fb2 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Thu, 23 Jan 2020 10:42:19 +0100
Subject: [PATCH] Force unlock writer on panic to avoid deadlocks

---
 src/main.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main.rs b/src/main.rs
index af8bdaba..f25f06fd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -98,6 +98,7 @@ fn thread_3() -> ! {
 #[cfg(not(test))]
 #[panic_handler]
 fn panic(info: &PanicInfo) -> ! {
+    unsafe { blog_os::vga_buffer::WRITER.force_unlock(); }
     println!("{}", info);
     blog_os::hlt_loop();
 }