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Kernel: Remove redundant [[nodiscard]] on KResult return values

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Both KResult and KResultOr are [[nodiscard]] at the class level,
so there's no need to have functions return `[[nodiscard]] KResult`.
This commit is contained in:
Andreas Kling
2021-09-06 22:25:02 +02:00
parent e6929835d2
commit 4b4e1d1c90
8 changed files with 21 additions and 21 deletions
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4
Kernel/API/KResult.h
View File

@@ -141,7 +141,7 @@ public:
return m_error;
}
[[nodiscard]] KResult result() const { return m_is_error ? m_error : KSuccess; }
KResult result() const { return m_is_error ? m_error : KSuccess; }
[[nodiscard]] ALWAYS_INLINE T& value() &
{
@@ -167,7 +167,7 @@ public:
return released_value;
}
[[nodiscard]] KResult release_error()
KResult release_error()
{
VERIFY(m_is_error);
return m_error;

2
Kernel/Coredump.h
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@@ -18,7 +18,7 @@ public:
static KResultOr<NonnullOwnPtr<Coredump>> try_create(NonnullRefPtr<Process>, StringView output_path);
~Coredump() = default;
[[nodiscard]] KResult write();
KResult write();
private:
Coredump(NonnullRefPtr<Process>, NonnullRefPtr<FileDescription>);

4
Kernel/Devices/AsyncDeviceRequest.h
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@@ -90,7 +90,7 @@ public:
}
template<size_t BUFFER_BYTES, typename... Args>
[[nodiscard]] KResultOr<size_t> write_to_buffer_buffered(UserOrKernelBuffer& buffer, Args... args)
KResultOr<size_t> write_to_buffer_buffered(UserOrKernelBuffer& buffer, Args... args)
{
if (in_target_context(buffer))
return buffer.write_buffered<BUFFER_BYTES>(forward<Args>(args)...);
@@ -108,7 +108,7 @@ public:
}
template<size_t BUFFER_BYTES, typename... Args>
[[nodiscard]] KResultOr<size_t> read_from_buffer_buffered(const UserOrKernelBuffer& buffer, Args... args)
KResultOr<size_t> read_from_buffer_buffered(const UserOrKernelBuffer& buffer, Args... args)
{
if (in_target_context(buffer))
return buffer.read_buffered<BUFFER_BYTES>(forward<Args>(args)...);

12
Kernel/DoubleBuffer.h
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@@ -17,19 +17,19 @@ namespace Kernel {
class DoubleBuffer {
public:
[[nodiscard]] static OwnPtr<DoubleBuffer> try_create(size_t capacity = 65536);
[[nodiscard]] KResultOr<size_t> write(const UserOrKernelBuffer&, size_t);
[[nodiscard]] KResultOr<size_t> write(const u8* data, size_t size)
KResultOr<size_t> write(const UserOrKernelBuffer&, size_t);
KResultOr<size_t> write(const u8* data, size_t size)
{
return write(UserOrKernelBuffer::for_kernel_buffer(const_cast<u8*>(data)), size);
}
[[nodiscard]] KResultOr<size_t> read(UserOrKernelBuffer&, size_t);
[[nodiscard]] KResultOr<size_t> read(u8* data, size_t size)
KResultOr<size_t> read(UserOrKernelBuffer&, size_t);
KResultOr<size_t> read(u8* data, size_t size)
{
auto buffer = UserOrKernelBuffer::for_kernel_buffer(data);
return read(buffer, size);
}
[[nodiscard]] KResultOr<size_t> peek(UserOrKernelBuffer&, size_t);
[[nodiscard]] KResultOr<size_t> peek(u8* data, size_t size)
KResultOr<size_t> peek(UserOrKernelBuffer&, size_t);
KResultOr<size_t> peek(u8* data, size_t size)
{
auto buffer = UserOrKernelBuffer::for_kernel_buffer(data);
return peek(buffer, size);

2
Kernel/KString.h
View File

@@ -23,7 +23,7 @@ public:
void operator delete(void*);
[[nodiscard]] KResultOr<NonnullOwnPtr<KString>> try_clone() const;
KResultOr<NonnullOwnPtr<KString>> try_clone() const;
[[nodiscard]] bool is_empty() const { return m_length == 0; }
[[nodiscard]] size_t length() const { return m_length; }

2
Kernel/StdLib.cpp
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@@ -193,7 +193,7 @@ KResult copy_from_user(void* dest_ptr, void const* src_ptr, size_t n)
return KSuccess;
}
[[nodiscard]] KResult memset_user(void* dest_ptr, int c, size_t n)
KResult memset_user(void* dest_ptr, int c, size_t n)
{
bool is_user = Kernel::Memory::is_user_range(VirtualAddress(dest_ptr), n);
if (!is_user)

6
Kernel/StdLib.h
View File

@@ -34,9 +34,9 @@ KResultOr<Time> copy_time_from_user(Userspace<T*>);
[[nodiscard]] Optional<u32> user_atomic_fetch_or_relaxed(volatile u32* var, u32 val);
[[nodiscard]] Optional<u32> user_atomic_fetch_xor_relaxed(volatile u32* var, u32 val);
[[nodiscard]] KResult copy_to_user(void*, const void*, size_t);
[[nodiscard]] KResult copy_from_user(void*, const void*, size_t);
[[nodiscard]] KResult memset_user(void*, int, size_t);
KResult copy_to_user(void*, const void*, size_t);
KResult copy_from_user(void*, const void*, size_t);
KResult memset_user(void*, int, size_t);
extern "C" {

10
Kernel/UserOrKernelBuffer.h
View File

@@ -54,7 +54,7 @@ public:
return offset_buffer;
}
[[nodiscard]] KResultOr<NonnullOwnPtr<KString>> try_copy_into_kstring(size_t) const;
KResultOr<NonnullOwnPtr<KString>> try_copy_into_kstring(size_t) const;
[[nodiscard]] bool write(const void* src, size_t offset, size_t len);
[[nodiscard]] bool write(const void* src, size_t len)
{
@@ -82,7 +82,7 @@ public:
}
template<size_t BUFFER_BYTES, typename F>
[[nodiscard]] KResultOr<size_t> write_buffered(size_t offset, size_t len, F f)
KResultOr<size_t> write_buffered(size_t offset, size_t len, F f)
{
if (!m_buffer)
return EFAULT;
@@ -113,13 +113,13 @@ public:
return nwritten;
}
template<size_t BUFFER_BYTES, typename F>
[[nodiscard]] KResultOr<size_t> write_buffered(size_t len, F f)
KResultOr<size_t> write_buffered(size_t len, F f)
{
return write_buffered<BUFFER_BYTES, F>(0, len, f);
}
template<size_t BUFFER_BYTES, typename F>
[[nodiscard]] KResultOr<size_t> read_buffered(size_t offset, size_t len, F f) const
KResultOr<size_t> read_buffered(size_t offset, size_t len, F f) const
{
if (!m_buffer)
return EFAULT;
@@ -149,7 +149,7 @@ public:
return nread;
}
template<size_t BUFFER_BYTES, typename F>
[[nodiscard]] KResultOr<size_t> read_buffered(size_t len, F f) const
KResultOr<size_t> read_buffered(size_t len, F f) const
{
return read_buffered<BUFFER_BYTES, F>(0, len, f);
}