cio: FIFOSet.Close() check if FIFOSet is nill to prevent NPE

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
containerd · Feb 1, 2021 · 6a2d399 · 6a2d399
1 parent 19ee068
commit 6a2d399
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cio/io.go b/cio/io.go
@@ -80,7 +80,7 @@ type FIFOSet struct {
 
 // Close the FIFOSet
 func (f *FIFOSet) Close() error {
-	if f.close != nil {
+	if f != nil && f.close != nil {
 		return f.close()
 	}
 	return nil