bcachefs: Fix rand_delete() test

When we didn't find a key to delete we were getting 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 2020-12-07 11:44:12 -05:00 • committed by Kent Overstreet
commit d5b98fe2d7