5. Use defer for closing file

fuse.go

@@ -335,6 +335,8 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
 				return nil, 0, syscall.EROFS
 			}
 
+			defer fp.Close()
+
 			buf := make([]byte, f.self.size);
 			nread, err := fp.Read(buf)
 			if err != nil || nread != int(f.self.size) {
@@ -342,11 +344,6 @@ func (f *ITNode) Open(ctx context.Context, openFlags uint32) (fh fs.FileHandle,
 				fp.Close()
 				return nil, 0, syscall.EROFS
 			}
-			err = fp.Close()
-			if err != nil {
-				log.Error("Closing file failed").Str("path", f.path).Err(err).Send();
-				return nil, 0, syscall.EROFS
-			}
 
 			fh = &bytesFileReadHandle{
 				content: buf,