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Kernel: Make it possible for KBufferBuilder creation to fail

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This patch adds KBufferBuilder::try_create() and treats it like anything
else that can fail. And so, failure to allocate the initial internal
buffer of the builder will now propagate an ENOMEM to the caller. :^)
This commit is contained in:
Andreas Kling 2021-09-07 15:54:23 +02:00
parent be613b9ef6
commit 300402cc14
9 changed files with 30 additions and 13 deletions
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2
Kernel/FileSystem/Plan9FileSystem.cpp
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@ -323,7 +323,7 @@ StringView Plan9FS::Message::Decoder::read_data()
}
Plan9FS::Message::Message(Plan9FS& fs, Type type)
: m_builder()
: m_builder(KBufferBuilder::try_create().release_value()) // FIXME: Don't assume KBufferBuilder allocation success.
, m_tag(fs.allocate_tag())
, m_type(type)
, m_have_been_built(false)