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

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This makes EFAULT propagation flow much more naturally. :^)
This commit is contained in:
Andreas Kling 2021-09-05 17:38:37 +02:00
commit 48a0b31c47
Notes: sideshowbarker 2024-07-18 04:41:52 +09:00
57 changed files with 318 additions and 551 deletions
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3
Kernel/Syscalls/open.cpp
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@ -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;