From dc5abe1ee8d85cda805e5b79ae687675ae95c266 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Kr=C3=B6ning?=
 <martin.kroening@eonerc.rwth-aachen.de>
Date: Sat, 16 Nov 2024 12:50:49 +0100
Subject: [PATCH] fix(firecracker): remove trailing null from bootargs
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Martin Kröning <martin.kroening@eonerc.rwth-aachen.de>
---
 src/arch/x86_64/firecracker.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/arch/x86_64/firecracker.rs b/src/arch/x86_64/firecracker.rs
index 6110d314..f0f8af07 100644
--- a/src/arch/x86_64/firecracker.rs
+++ b/src/arch/x86_64/firecracker.rs
@@ -144,7 +144,13 @@ pub unsafe fn boot_kernel(kernel_info: LoadedKernel) -> ! {
 			)
 		};
 
-		Some(core::str::from_utf8(slice).unwrap())
+		let s = core::str::from_utf8(slice).unwrap().strip_suffix('\0').unwrap();
+
+		if s.is_empty() {
+			None
+ 		} else {
+			Some(s)
+		}
 	} else {
 		None
 	};