commit34653fd8c4upstream. Maintain a bitmap to keep track of which LEB->PEB mapping was checked already. That way we have to read back VID headers only once. Fixes:a23cf10d9a("ubi: fastmap: Correctly handle interrupted erasures in EBA") Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>