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| author | Shulhan <ms@kilabit.info> | 2022-03-27 15:45:10 +0700 |
|---|---|---|
| committer | Shulhan <ms@kilabit.info> | 2022-03-27 17:01:43 +0700 |
| commit | 6934a428bf1027524aae7e1fd96bdf7f5e0dbe98 (patch) | |
| tree | c5d8306ff3c3d14ea1ef62a43f0c074473aa8a3a | |
| parent | 4eb8d7019fa230ebf575d32d93c692146b55c324 (diff) | |
| download | pakakeh.go-6934a428bf1027524aae7e1fd96bdf7f5e0dbe98.tar.xz | |
lib/memfs: check for possible nil on Get
In case the instance of memfs is set to nil (for example, the root
directory being watched is deleted on DirWatcher), the Get method will
cause panic after the next update on content of root directory.
| -rw-r--r-- | lib/memfs/memfs.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/memfs/memfs.go b/lib/memfs/memfs.go index a1cfa331..764e2413 100644 --- a/lib/memfs/memfs.go +++ b/lib/memfs/memfs.go @@ -211,6 +211,10 @@ func (mfs *MemFS) AddFile(internalPath, externalPath string) (node *Node, err er func (mfs *MemFS) Get(path string) (node *Node, err error) { logp := "Get" + if mfs == nil || mfs.PathNodes == nil { + return nil, fmt.Errorf("%s %s: %w", logp, path, os.ErrNotExist) + } + node = mfs.PathNodes.Get(path) if node == nil { if mfs.Opts.Development { |