how to recover corrupted data from pendrive : d
(Delete partition three)

Execute command: p
(In accordance with this time, there really should be one much less partition)

Execute command: n
(Plus partition)

Execute command: p
(Key partition)

Enter straight

The following values ​​can be the default

Execute command: p

Execute command: w

Then reboot

Excuting an order:
resize2fs / dev / mmcblk0p3

Execute df-h

See if the missing capacity is back?