From 5121e58d4a67e0d0a075501a60f6466798754f5a Mon Sep 17 00:00:00 2001
From: Brian Gianforcaro <bgianf@serenityos.org>
Date: Thu, 12 Aug 2021 21:41:11 -0700
Subject: [PATCH] Kernel: Fix sys$dbgputstr(...) to take a char* instead of u8*

We always attempt to print this as a string, and it's defined as such in
LibC, so fix the signature to match.
---
 Kernel/Process.h          | 2 +-
 Kernel/Syscalls/debug.cpp | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Kernel/Process.h b/Kernel/Process.h
index fce09313ba..d28d0314b1 100644
--- a/Kernel/Process.h
+++ b/Kernel/Process.h
@@ -264,7 +264,7 @@ public:
     KResultOr<FlatPtr> sys$inode_watcher_add_watch(Userspace<const Syscall::SC_inode_watcher_add_watch_params*> user_params);
     KResultOr<FlatPtr> sys$inode_watcher_remove_watch(int fd, int wd);
     KResultOr<FlatPtr> sys$dbgputch(u8);
-    KResultOr<FlatPtr> sys$dbgputstr(Userspace<const u8*>, size_t);
+    KResultOr<FlatPtr> sys$dbgputstr(Userspace<const char*>, size_t);
     KResultOr<FlatPtr> sys$dump_backtrace();
     KResultOr<FlatPtr> sys$gettid();
     KResultOr<FlatPtr> sys$setsid();
diff --git a/Kernel/Syscalls/debug.cpp b/Kernel/Syscalls/debug.cpp
index 7926da79bf..5f34084266 100644
--- a/Kernel/Syscalls/debug.cpp
+++ b/Kernel/Syscalls/debug.cpp
@@ -25,7 +25,7 @@ KResultOr<FlatPtr> Process::sys$dbgputch(u8 ch)
     return 0;
 }
 
-KResultOr<FlatPtr> Process::sys$dbgputstr(Userspace<const u8*> characters, size_t size)
+KResultOr<FlatPtr> Process::sys$dbgputstr(Userspace<const char*> characters, size_t size)
 {
     VERIFY_NO_PROCESS_BIG_LOCK(this);
     if (size == 0)
@@ -39,7 +39,7 @@ KResultOr<FlatPtr> Process::sys$dbgputstr(Userspace<const u8*> characters, size_
         return size;
     }
 
-    auto result = try_copy_kstring_from_user(reinterpret_cast<char const*>(characters.unsafe_userspace_ptr()), size);
+    auto result = try_copy_kstring_from_user(characters, size);
     if (result.is_error())
         return result.error();
     dbgputstr(result.value()->characters(), size);