Kernel: Make all syscall functions return KResultOr<T>

This makes it a lot easier to return errors since we no longer have to
worry about negating EFOO errors and can just return them flat.

1 files changed, 3 insertions, 3 deletions

diff --git a/Kernel/Syscalls/fork.cpp b/Kernel/Syscalls/fork.cpp
index 44171c2776..4b462bb672 100644
--- a/Kernel/Syscalls/fork.cpp
+++ b/Kernel/Syscalls/fork.cpp
@@ -32,13 +32,13 @@
 
 namespace Kernel {
 
-pid_t Process::sys$fork(RegisterState& regs)
+KResultOr<pid_t> Process::sys$fork(RegisterState& regs)
 {
     REQUIRE_PROMISE(proc);
     RefPtr<Thread> child_first_thread;
     auto child = adopt(*new Process(child_first_thread, m_name, m_uid, m_gid, m_pid, m_is_kernel_process, m_cwd, m_executable, m_tty, this));
     if (!child_first_thread)
-        return -ENOMEM;
+        return ENOMEM;
     child->m_root_directory = m_root_directory;
     child->m_root_directory_relative_to_global_root = m_root_directory_relative_to_global_root;
     child->m_promises = m_promises;
@@ -85,7 +85,7 @@ pid_t Process::sys$fork(RegisterState& regs)
             if (!region_clone) {
                 dbgln("fork: Cannot clone region, insufficient memory");
                 // TODO: tear down new process?
-                return -ENOMEM;
+                return ENOMEM;
             }
 
             auto& child_region = child->space().add_region(region_clone.release_nonnull());