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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
parent 9903f5c6ef
commit 48a0b31c47
57 changed files with 318 additions and 551 deletions
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4
Kernel/Syscalls/times.cpp
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@ -18,9 +18,7 @@ KResultOr<FlatPtr> Process::sys$times(Userspace<tms*> user_times)
times.tms_cutime = m_ticks_in_user_for_dead_children;
times.tms_cstime = m_ticks_in_kernel_for_dead_children;
if (!copy_to_user(user_times, &times))
return EFAULT;
TRY(copy_to_user(user_times, &times));
return TimeManagement::the().uptime_ms() & 0x7fffffff;
}