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Kernel: Make KString factories return KResultOr + use TRY() everywhere

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There are a number of places that don't have an error propagation path
right now, so I've added FIXME's about that.
This commit is contained in:
Andreas Kling
2021-09-06 19:24:54 +02:00
parent 69b9b2888c
commit 56a2594de7
21 changed files with 100 additions and 122 deletions
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11
Kernel/UserOrKernelBuffer.cpp
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@@ -21,17 +21,12 @@ KResultOr<NonnullOwnPtr<KString>> UserOrKernelBuffer::try_copy_into_kstring(size
return EINVAL;
if (Memory::is_user_address(VirtualAddress(m_buffer))) {
char* buffer;
auto kstring = KString::try_create_uninitialized(size, buffer);
if (!kstring)
return ENOMEM;
auto kstring = TRY(KString::try_create_uninitialized(size, buffer));
TRY(copy_from_user(buffer, m_buffer, size));
return kstring.release_nonnull();
return kstring;
}
auto kstring = KString::try_create(ReadonlyBytes { m_buffer, size });
if (!kstring)
return ENOMEM;
return kstring.release_nonnull();
return KString::try_create(ReadonlyBytes { m_buffer, size });
}
bool UserOrKernelBuffer::write(const void* src, size_t offset, size_t len)