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Kernel: Wrap ISO9660FS directory traversal in TRY()

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This commit is contained in:
Andreas Kling
2021-09-06 20:28:40 +02:00
parent a2bf8244fe
commit 1101994fad
1 changed files with 5 additions and 18 deletions
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23
Kernel/FileSystem/ISO9660FileSystem.cpp
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@@ -305,7 +305,7 @@ KResult ISO9660FS::calculate_inode_count() const
size_t inode_count = 1;
auto traversal_result = visit_directory_record(m_primary_volume->root_directory_record_header, [&](ISO::DirectoryRecordHeader const* header) {
TRY(visit_directory_record(m_primary_volume->root_directory_record_header, [&](ISO::DirectoryRecordHeader const* header) {
if (header == nullptr) {
return RecursionDecision::Continue;
}
@@ -324,12 +324,7 @@ KResult ISO9660FS::calculate_inode_count() const
}
return RecursionDecision::Continue;
});
if (traversal_result.is_error()) {
dbgln_if(ISO9660_DEBUG, "Failed to traverse for caching inode count!");
return traversal_result;
}
}));
m_cached_inode_count = inode_count;
return KSuccess;
@@ -473,7 +468,7 @@ KResult ISO9660Inode::traverse_as_directory(Function<bool(FileSystem::DirectoryE
{
Array<u8, max_file_identifier_length> file_identifier_buffer;
auto traversal_result = fs().visit_directory_record(m_record, [&](ISO::DirectoryRecordHeader const* record) {
return fs().visit_directory_record(m_record, [&](ISO::DirectoryRecordHeader const* record) {
StringView filename = get_normalized_filename(*record, file_identifier_buffer);
dbgln_if(ISO9660_VERY_DEBUG, "traverse_as_directory(): Found {}", filename);
@@ -486,11 +481,6 @@ KResult ISO9660Inode::traverse_as_directory(Function<bool(FileSystem::DirectoryE
return RecursionDecision::Continue;
});
if (traversal_result.is_error())
return traversal_result;
return KSuccess;
}
KResultOr<NonnullRefPtr<Inode>> ISO9660Inode::lookup(StringView name)
@@ -498,7 +488,7 @@ KResultOr<NonnullRefPtr<Inode>> ISO9660Inode::lookup(StringView name)
RefPtr<Inode> inode;
Array<u8, max_file_identifier_length> file_identifier_buffer;
auto traversal_result = fs().visit_directory_record(m_record, [&](ISO::DirectoryRecordHeader const* record) {
TRY(fs().visit_directory_record(m_record, [&](ISO::DirectoryRecordHeader const* record) {
StringView filename = get_normalized_filename(*record, file_identifier_buffer);
if (filename == name) {
@@ -516,10 +506,7 @@ KResultOr<NonnullRefPtr<Inode>> ISO9660Inode::lookup(StringView name)
}
return RecursionDecision::Continue;
});
if (traversal_result.is_error())
return traversal_result;
}));
if (!inode)
return ENOENT;