Set error flag when file device cannot ascend to parent directory

This should have been happening previously, but was missed.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/devices/file.rs b/src/devices/file.rs
index 2a00a59..d53db0b 100644
--- a/src/devices/file.rs
+++ b/src/devices/file.rs
@@ -185,6 +185,8 @@ impl FileDevice {
         if let Some((_, path)) = &self.entry {
             if let Some(parent_path) = path.parent() {
                 self.op_success = self.open_entry(&parent_path.to_owned()).is_ok();
+            } else {
+                self.op_success = false;
             }
         } else {
             self.op_success = self.open_entry(&self.default_path.to_owned()).is_ok();