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Kernel: Make InodeWatcher::crate API OOM safe

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Brian Gianforcaro 2021-05-13 04:31:27 -07:00 • committed by Andreas Kling
parent c8758d4faa
commit 0d50d3ed1e
3 changed files with 21 additions and 7 deletions
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9
Kernel/FileSystem/InodeWatcher.h
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@ -25,9 +25,12 @@ struct WatchDescription {
Inode& inode;
unsigned event_mask;
static NonnullOwnPtr<WatchDescription> create(int wd, Inode& inode, unsigned event_mask)
static KResultOr<NonnullOwnPtr<WatchDescription>> create(int wd, Inode& inode, unsigned event_mask)
{
return adopt_own(*new WatchDescription(wd, inode, event_mask));
auto description = adopt_own_if_nonnull(new WatchDescription(wd, inode, event_mask));
if (description)
return description.release_nonnull();
return ENOMEM;
}
private:
@ -41,7 +44,7 @@ private:
class InodeWatcher final : public File {
public:
static NonnullRefPtr<InodeWatcher> create();
static KResultOr<NonnullRefPtr<InodeWatcher>> create();
virtual ~InodeWatcher() override;
virtual bool can_read(const FileDescription&, size_t) const override;