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Kernel: Make copy_{from,to}_user() return KResult and use TRY()
This makes EFAULT propagation flow much more naturally. :^)
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57 changed files with 318 additions and 551 deletions
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@ -24,8 +24,7 @@ KResultOr<FlatPtr> Process::sys$chown(Userspace<const Syscall::SC_chown_params*>
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
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REQUIRE_PROMISE(chown);
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Syscall::SC_chown_params params;
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if (!copy_from_user(¶ms, user_params))
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return EFAULT;
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TRY(copy_from_user(¶ms, user_params));
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auto path = TRY(get_syscall_path_argument(params.path));
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return VirtualFileSystem::the().chown(path->view(), params.uid, params.gid, current_directory());
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}
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