diff options
| author | Fabricio Voznika <fvoznika@google.com> | 2019-02-26 09:32:20 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-02-26 09:33:44 -0800 |
| commit | 23fe059761a470d7724b462ad8ead09356ec21b7 (patch) | |
| tree | 5f7e697650b3cf44a6b092845a75fdb0e7071cb1 /pkg/sentry/fs/inode_inotify.go | |
| parent | 33d0e824c73a918ad59586084b47cd53fe07ca36 (diff) | |
Lazily allocate inotify map on inode
PiperOrigin-RevId: 235735865
Change-Id: I84223eb18eb51da1fa9768feaae80387ff6bfed0
Diffstat (limited to 'pkg/sentry/fs/inode_inotify.go')
| -rw-r--r-- | pkg/sentry/fs/inode_inotify.go | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pkg/sentry/fs/inode_inotify.go b/pkg/sentry/fs/inode_inotify.go index e213df924..d2b653bc7 100644 --- a/pkg/sentry/fs/inode_inotify.go +++ b/pkg/sentry/fs/inode_inotify.go @@ -39,9 +39,7 @@ type Watches struct { } func newWatches() *Watches { - return &Watches{ - ws: make(map[uint64]*Watch), - } + return &Watches{} } // MarkUnlinked indicates the target for this set of watches to be unlinked. @@ -78,6 +76,9 @@ func (w *Watches) Add(watch *Watch) { if _, exists := w.ws[watch.ID()]; exists { panic(fmt.Sprintf("Watch collision with ID %+v", watch.ID())) } + if w.ws == nil { + w.ws = make(map[uint64]*Watch) + } w.ws[watch.ID()] = watch } |