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Kernel: Make Inode::directory_entry_count errors observable.

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Certain implementations of Inode::directory_entry_count were calling
functions which returned errors, but had no way of surfacing them.
Switch the return type to KResultOr<size_t> and start observing these
error paths.
This commit is contained in:
Brian Gianforcaro
2020-08-05 01:00:18 -07:00
committed by Andreas Kling
parent 7490ea9449
commit e8c9b5e870
Notes: sideshowbarker 2024-07-19 04:17:38 +09:00 
Author: https://github.com/bgianfo
Commit: https://github.com/SerenityOS/serenity/commit/e8c9b5e8701
Pull-request: https://github.com/SerenityOS/serenity/pull/2999
12 changed files with 29 additions and 17 deletions
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6
Kernel/FileSystem/VirtualFileSystem.cpp
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@@ -731,7 +731,11 @@ KResult VFS::rmdir(StringView path, Custody& base)
if (!parent_inode.metadata().may_write(*Process::current()))
return KResult(-EACCES);
if (inode.directory_entry_count() != 2)
KResultOr<size_t> dir_count_result = inode.directory_entry_count();
if (dir_count_result.is_error())
return dir_count_result.result();
if (dir_count_result.value() != 2)
return KResult(-ENOTEMPTY);
if (custody.is_readonly())