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Kernel: Make KBuffer::try_create_with_size() return KResultOr

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This allows us to use TRY() in a lot of new places.
This commit is contained in:
Andreas Kling
2021-09-07 15:15:08 +02:00
parent c69035c630
commit 899cee8185
10 changed files with 31 additions and 72 deletions
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6
Kernel/PerformanceEventBuffer.cpp
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@@ -274,10 +274,10 @@ bool PerformanceEventBuffer::to_json(KBufferBuilder& builder) const
OwnPtr<PerformanceEventBuffer> PerformanceEventBuffer::try_create_with_size(size_t buffer_size)
{
auto buffer = KBuffer::try_create_with_size(buffer_size, Memory::Region::Access::ReadWrite, "Performance events", AllocationStrategy::AllocateNow);
if (!buffer)
auto buffer_or_error = KBuffer::try_create_with_size(buffer_size, Memory::Region::Access::ReadWrite, "Performance events", AllocationStrategy::AllocateNow);
if (buffer_or_error.is_error())
return {};
return adopt_own_if_nonnull(new (nothrow) PerformanceEventBuffer(buffer.release_nonnull()));
return adopt_own_if_nonnull(new (nothrow) PerformanceEventBuffer(buffer_or_error.release_value()));
}
void PerformanceEventBuffer::add_process(const Process& process, ProcessEventType event_type)