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Kernel: Mark KResult getters as [[nodiscard]]

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There is no reason to call a getter without observing the result, doing
so indicates an error in the code. Mark these methods as [[nodiscard]]
to find these cases.
This commit is contained in:
Brian Gianforcaro 2021-02-14 15:21:38 -08:00 • committed by Andreas Kling
parent 3356f438ca
commit 01a66efe9d
1 changed files with 5 additions and 5 deletions
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10
Kernel/KResult.h
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@ -141,27 +141,27 @@ public:
[[nodiscard]] bool is_error() const { return m_is_error; } [[nodiscard]] bool is_error() const { return m_is_error; }
ALWAYS_INLINE KResult error() const [[nodiscard]] ALWAYS_INLINE KResult error() const
{ {
ASSERT(m_is_error); ASSERT(m_is_error);
return m_error; return m_error;
} }
KResult result() const { return m_is_error ? m_error : KSuccess; } [[nodiscard]] KResult result() const { return m_is_error ? m_error : KSuccess; }
ALWAYS_INLINE T& value() [[nodiscard]] ALWAYS_INLINE T& value()
{ {
ASSERT(!m_is_error); ASSERT(!m_is_error);
return *reinterpret_cast<T*>(&m_storage); return *reinterpret_cast<T*>(&m_storage);
} }
ALWAYS_INLINE const T& value() const [[nodiscard]] ALWAYS_INLINE const T& value() const
{ {
ASSERT(!m_is_error); ASSERT(!m_is_error);
return *reinterpret_cast<T*>(&m_storage); return *reinterpret_cast<T*>(&m_storage);
} }
ALWAYS_INLINE T release_value() [[nodiscard]] ALWAYS_INLINE T release_value()
{ {
ASSERT(!m_is_error); ASSERT(!m_is_error);
ASSERT(m_have_storage); ASSERT(m_have_storage);