From 47c30babf19a8d63f077852664a0c6910f820158 Mon Sep 17 00:00:00 2001
From: Alkorin <github@alkorin.fr>
Date: Mon, 8 Jan 2018 12:41:28 +0100
Subject: [PATCH] Avoid 'cat: /sys/kernel/debug/x86/pti_enabled: Permission
 denied'

---
 spectre-meltdown-checker.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index 38d11ee..83e0019 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -291,7 +291,7 @@ elif dmesg | grep -Eq 'Kernel/User page tables isolation: enabled|Kernel page ta
 	# if we can't find the flag, grep in dmesg
 	pstatus green YES
 	kpti_enabled=1
-elif [ -e /sys/kernel/debug/x86/pti_enabled -a "$(cat /sys/kernel/debug/x86/pti_enabled)" = 1 ]; then
+elif [ -e /sys/kernel/debug/x86/pti_enabled -a "$(cat /sys/kernel/debug/x86/pti_enabled 2>/dev/null)" = 1 ]; then
 	pstatus green YES
 	kpti_enabled=1
 else