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Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T>

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We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace!
This was a slightly tedious refactoring that took a long time, so it's
not unlikely that some bugs crept in.

Nevertheless, it does pass basic functionality testing, and it's just
real nice to finally see the same pattern in all contexts. :^)
This commit is contained in:
Andreas Kling 2021-11-08 00:51:39 +01:00
parent 7ee10c6926
commit 79fa9765ca
262 changed files with 2415 additions and 2600 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Kernel/Syscalls/keymap.cpp
View file

@ -11,7 +11,7 @@ namespace Kernel {
constexpr size_t map_name_max_size = 50;
KResultOr<FlatPtr> Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*> user_params)
ErrorOr<FlatPtr> Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_params*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
REQUIRE_PROMISE(setkeymap);
@ -37,7 +37,7 @@ KResultOr<FlatPtr> Process::sys$setkeymap(Userspace<const Syscall::SC_setkeymap_
return 0;
}
KResultOr<FlatPtr> Process::sys$getkeymap(Userspace<const Syscall::SC_getkeymap_params*> user_params)
ErrorOr<FlatPtr> Process::sys$getkeymap(Userspace<const Syscall::SC_getkeymap_params*> user_params)
{
VERIFY_NO_PROCESS_BIG_LOCK(this);
REQUIRE_PROMISE(getkeymap);
@ -55,7 +55,7 @@ KResultOr<FlatPtr> Process::sys$getkeymap(Userspace<const Syscall::SC_getkeymap_
if (params.map_name.size < keymap_name.length())
return ENAMETOOLONG;
TRY(copy_to_user(params.map_name.data, keymap_name.characters(), keymap_name.length()));
return KSuccess;
return 0;
}
}