Kernel: Move TTY subsystem to use KString instead of `AK::String`

This is minor progress on removing the `AK::String` API from the Kernel
in the interest of improving OOM safety.

1 files changed, 2 insertions, 2 deletions

diff --git a/Kernel/Syscalls/ttyname.cpp b/Kernel/Syscalls/ttyname.cpp
index ca4df4de74..2e73d06a9c 100644
--- a/Kernel/Syscalls/ttyname.cpp
+++ b/Kernel/Syscalls/ttyname.cpp
@@ -18,7 +18,7 @@ KResultOr<FlatPtr> Process::sys$ttyname(int fd, Userspace<char*> buffer, size_t
     auto description = TRY(fds().open_file_description(fd));
     if (!description->is_tty())
         return ENOTTY;
-    auto tty_name = description->tty()->tty_name();
+    auto& tty_name = description->tty()->tty_name();
     if (size < tty_name.length() + 1)
         return ERANGE;
     return copy_to_user(buffer, tty_name.characters(), tty_name.length() + 1);
@@ -32,7 +32,7 @@ KResultOr<FlatPtr> Process::sys$ptsname(int fd, Userspace<char*> buffer, size_t
     auto* master_pty = description->master_pty();
     if (!master_pty)
         return ENOTTY;
-    auto pts_name = master_pty->pts_name();
+    auto& pts_name = master_pty->pts_name();
     if (size < pts_name.length() + 1)
         return ERANGE;
     return copy_to_user(buffer, pts_name.characters(), pts_name.length() + 1);