Kernel: Make copy_{from,to}_user() return KResult and use TRY()

This makes EFAULT propagation flow much more naturally. :^)

1 files changed, 1 insertions, 2 deletions

diff --git a/Kernel/Syscalls/open.cpp b/Kernel/Syscalls/open.cpp
index 1957fc2ed2..00593129e4 100644
--- a/Kernel/Syscalls/open.cpp
+++ b/Kernel/Syscalls/open.cpp
@@ -15,8 +15,7 @@ KResultOr<FlatPtr> Process::sys$open(Userspace<const Syscall::SC_open_params*> u
 {
     VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
     Syscall::SC_open_params params;
-    if (!copy_from_user(&params, user_params))
-        return EFAULT;
+    TRY(copy_from_user(&params, user_params));
 
     int dirfd = params.dirfd;
     int options = params.options;