From aa77c2ca585531023b9ed53b686200534a65e6ff Mon Sep 17 00:00:00 2001
From: Brian Gianforcaro <bgianf@serenityos.org>
Date: Mon, 3 Jan 2022 03:33:47 -0800
Subject: [PATCH] Kernel: Use unchecked_append in PerformanceEventBuffer
 `raw_backtrace()`

We always validate the size before we append, so there is
no reason to use the checked append.
---
 Kernel/PerformanceEventBuffer.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kernel/PerformanceEventBuffer.cpp b/Kernel/PerformanceEventBuffer.cpp
index c86ef04073..1a24f500cb 100644
--- a/Kernel/PerformanceEventBuffer.cpp
+++ b/Kernel/PerformanceEventBuffer.cpp
@@ -38,7 +38,7 @@ static Vector<FlatPtr, PerformanceEvent::max_stack_frame_count> raw_backtrace(Fl
 {
     Vector<FlatPtr, PerformanceEvent::max_stack_frame_count> backtrace;
     if (ip != 0)
-        backtrace.append(ip);
+        backtrace.unchecked_append(ip);
     FlatPtr stack_ptr_copy;
     FlatPtr stack_ptr = bp;
     // FIXME: Figure out how to remove this SmapDisabler without breaking profile stacks.
@@ -63,7 +63,7 @@ static Vector<FlatPtr, PerformanceEvent::max_stack_frame_count> raw_backtrace(Fl
             break;
         if (retaddr == 0)
             break;
-        backtrace.append(retaddr);
+        backtrace.unchecked_append(retaddr);
         if (backtrace.size() == PerformanceEvent::max_stack_frame_count)
             break;
         stack_ptr = stack_ptr_copy;