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Kernel: Use KResultOr<size_t> throughout the TTY subsystem
Previously the VirtualConsole::on_tty_write() method would return an incorrect value when an error had occurred. This prompted me to update the TTY subsystem to use KResultOr<size_t> everywhere.
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9 changed files with 29 additions and 29 deletions
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@ -265,7 +265,7 @@ void VirtualConsole::on_key_pressed(KeyEvent event)
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});
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}
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ssize_t VirtualConsole::on_tty_write(const UserOrKernelBuffer& data, ssize_t size)
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KResultOr<size_t> VirtualConsole::on_tty_write(const UserOrKernelBuffer& data, size_t size)
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{
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ScopedSpinLock global_lock(ConsoleManagement::the().tty_write_lock());
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ScopedSpinLock lock(m_lock);
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@ -276,9 +276,7 @@ ssize_t VirtualConsole::on_tty_write(const UserOrKernelBuffer& data, ssize_t siz
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});
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if (m_active)
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flush_dirty_lines();
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if (result.is_error())
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return result.error();
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return (ssize_t)result.value();
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return result;
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}
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void VirtualConsole::set_active(bool active)
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