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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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3
Kernel/Syscalls/setuid.cpp
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@ -171,8 +171,7 @@ KResultOr<FlatPtr> Process::sys$setgroups(size_t count, Userspace<const gid_t*>
Vector<gid_t> new_extra_gids;
if (!new_extra_gids.try_resize(count))
return ENOMEM;
if (!copy_n_from_user(new_extra_gids.data(), user_gids, count))
return EFAULT;
TRY(copy_n_from_user(new_extra_gids.data(), user_gids, count));
HashTable<gid_t> unique_extra_gids;
for (auto& extra_gid : new_extra_gids) {