From ff1cb11946295d98d80c6841a373fde8103ac0c5 Mon Sep 17 00:00:00 2001
From: Rob Bradford <robert.bradford@intel.com>
Date: Fri, 27 Sep 2019 15:18:06 +0100
Subject: [PATCH] arch: Use if-let notation

To keep updated clippy happy.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
---
 arch/src/x86_64/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/src/x86_64/mod.rs b/arch/src/x86_64/mod.rs
index 8f4b77cb4..c01384e3a 100644
--- a/arch/src/x86_64/mod.rs
+++ b/arch/src/x86_64/mod.rs
@@ -146,8 +146,8 @@ pub fn configure_system(
 
     let mut params: BootParamsWrapper = BootParamsWrapper(boot_params::default());
 
-    if setup_hdr.is_some() {
-        params.0.hdr = setup_hdr.unwrap();
+    if let Some(hdr) = setup_hdr {
+        params.0.hdr = hdr;
         params.0.hdr.cmd_line_ptr = cmdline_addr.raw_value() as u32;
         params.0.hdr.cmdline_size = cmdline_size as u32;
     } else {