From 57b86fd082ca78b396d611dc1812921c69107b5e Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Wed, 20 May 2020 19:52:09 +0200
Subject: [PATCH] Kernel: Fix invalid jump in case RDRAND fails

If RDRAND doesn't give us data, we want to try again, not jump to some
low address like 0x80 :^)
---
 Kernel/Random.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kernel/Random.cpp b/Kernel/Random.cpp
index b5c61b2b20..288af64b8f 100644
--- a/Kernel/Random.cpp
+++ b/Kernel/Random.cpp
@@ -35,9 +35,9 @@ static u32 random32()
     if (g_cpu_supports_rdrand) {
         u32 value = 0;
         asm volatile(
-            "1%=:\n"
+            "1:\n"
             "rdrand %0\n"
-            "jnc 1%=\n"
+            "jnc 1b\n"
             : "=r"(value));
         return value;
     }