Modified lfs_ctz_extend to be a little bit safer
Modified lfs_ctz_extend to be a little bit safer

Specifically around error handling. As is, incorrectly handled
errors could cause higher code to get uninitialized blocks,
potentially leading to writes to arbitray blocks on storage.

geky/littlefs,littlefs-project/littlefs,geky/littlefs,littlefs-project/littlefs,geky/littlefs,geky/littlefs