netfilter: nft_set_pipapo: make pipapo_clone helper return NULL

Currently it returns an error pointer, but the only possible failure
is ENOMEM.

After a followup patch, we'd need to discard the errno code, i.e.

x = pipapo_clone()
if (IS_ERR(x))
	return NULL

or make more changes to fix up callers to expect IS_ERR() code
from set->ops->deactivate().

So simplify this and make it return ptr-or-null.

Signed-off-by: Florian Westphal <[email protected]>
Reviewed-by: Stefano Brivio <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>

0 files changed, 0 insertions, 0 deletions