libext2: Fix leaks in write_bitmaps on error returns

block_buf and/or inode_buf may not be properly freed on an error
return.

Create a new errout: target to free them as needed in error conditions.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed