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Kernel: Use TRY() in sys$anon_create()

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This commit is contained in:
Andreas Kling 2021-09-05 14:36:40 +02:00
parent 4012099338
commit c902b3cb0d
1 changed files with 4 additions and 15 deletions
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19
Kernel/Syscalls/anon_create.cpp
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@ -25,22 +25,11 @@ KResultOr<FlatPtr> Process::sys$anon_create(size_t size, int options)
if (size > NumericLimits<ssize_t>::max()) if (size > NumericLimits<ssize_t>::max())
return EINVAL; return EINVAL;
auto new_fd_or_error = m_fds.allocate(); auto new_fd = TRY(m_fds.allocate());
if (new_fd_or_error.is_error()) auto vmobject = TRY(Memory::AnonymousVMObject::try_create_purgeable_with_size(size, AllocationStrategy::Reserve));
return new_fd_or_error.error(); auto anon_file = TRY(AnonymousFile::try_create(move(vmobject)));
auto new_fd = new_fd_or_error.release_value(); auto description = TRY(FileDescription::try_create(move(anon_file)));
auto maybe_vmobject = Memory::AnonymousVMObject::try_create_purgeable_with_size(size, AllocationStrategy::Reserve);
if (maybe_vmobject.is_error())
return maybe_vmobject.error();
auto anon_file_or_error = AnonymousFile::try_create(maybe_vmobject.release_value());
if (anon_file_or_error.is_error())
return anon_file_or_error.error();
auto description_or_error = FileDescription::try_create(anon_file_or_error.release_value());
if (description_or_error.is_error())
return description_or_error.error();
auto description = description_or_error.release_value();
description->set_writable(true); description->set_writable(true);
description->set_readable(true); description->set_readable(true);