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Kernel: Make file description lookup return KResultOr
Instead of checking it at every call site (to generate EBADF), we make file_description(fd) return a KResultOr<NonnullRefPtr<FileDescription>>. This allows us to wrap all the calls in TRY(). :^) The only place that got a little bit messier from this is sys$mount(), and there's a whole bunch of things there in need of cleanup.
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24 changed files with 62 additions and 155 deletions
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@ -676,8 +676,7 @@ public:
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m_fds_metadatas.clear();
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}
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// FIXME: Consider to remove this somehow
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RefPtr<FileDescription> file_description(int fd) const;
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KResultOr<NonnullRefPtr<FileDescription>> file_description(int fd) const;
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private:
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FileDescriptions() = default;
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