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Kernel: Handle OOM from DoubleBuffer creation in FIFO creation

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Brian Gianforcaro 2021-08-01 02:30:52 -07:00 • committed by Andreas Kling
parent 15cd5d324c
commit 8d3b819daf
4 changed files with 25 additions and 16 deletions
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7
Kernel/FileSystem/Inode.cpp
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@ -185,8 +185,11 @@ NonnullRefPtr<FIFO> Inode::fifo()
VERIFY(metadata().is_fifo());
// FIXME: Release m_fifo when it is closed by all readers and writers
if (!m_fifo)
m_fifo = FIFO::create(metadata().uid);
if (!m_fifo) {
m_fifo = FIFO::try_create(metadata().uid);
// FIXME: We need to be able to observe OOM here.
VERIFY(!m_fifo.is_null());
}
VERIFY(m_fifo);
return *m_fifo;