bcachefs: Fix a memory leak

This fixes a regression from "bcachefs: Heap allocate printbufs" -
bch2_sb_field_validate() was leaking an error string.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2022-02-27 11:57:42 -05:00 • committed by Kent Overstreet
commit 7db4cbd0a5