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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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@ -21,11 +21,8 @@ KResultOr<FlatPtr> Process::sys$get_stack_bounds(Userspace<FlatPtr*> user_stack_
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FlatPtr stack_base = stack_region->range().base().get();
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size_t stack_size = stack_region->size();
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if (!copy_to_user(user_stack_base, &stack_base))
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return EFAULT;
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if (!copy_to_user(user_stack_size, &stack_size))
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return EFAULT;
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return 0;
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TRY(copy_to_user(user_stack_base, &stack_base));
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return copy_to_user(user_stack_size, &stack_size);
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}
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}
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