Allow NULL for sdb_fmt
Allow NULL for sdb_fmt

Maijin/sdb,alvarofe/sdb,alvarofe/sdb,radare/sdb,Maijin/sdb,pombredanne/sdb,alvarofe/sdb,pombredanne/sdb,Maijin/sdb,radare/sdb,pombredanne/sdb,alvarofe/sdb,pombredanne/sdb,Maijin/sdb,radare/sdb,Maijin/sdb,pombredanne/sdb,radare/sdb,pombredanne/sdb,pombredanne/sdb,pombredanne/sdb,Maijin/sdb,pombredanne/sdb,radare/sdb,Maijin/sdb,radare/sdb,alvarofe/sdb,radare/sdb,alvarofe/sdb,radare/sdb,Maijin/sdb,radare/sdb,alvarofe/sdb,alvarofe/sdb,pombredanne/sdb,alvarofe/sdb,Maijin/sdb,alvarofe/sdb,radare/sdb,Maijin/sdb,pombredanne/sdb,Maijin/sdb,radare/sdb,alvarofe/sdb