0f3c136 sysupgrade: set UPGRADE_BACKUP env variable 0bcbbbf system: fix uninitialized variables in firmware validation code This update includes a fix for uninitialized variable usage. Fixes:db5164d3d0("procd: update to the latest git HEAD") Signed-off-by: Rafał Miłecki <rafal@milecki.pl> (cherry picked from commite8dcbbc865)