bcachefs: Handle printing of null bkeys

This fixes a null ptr deref.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2020-05-25 21:25:31 -04:00 • committed by Kent Overstreet
commit dc744b51f9