crypto: sun8i-ss - fix error codes in allocate_flows()

crypto: sun8i-ss - fix error codes in allocate_flows()

[ Upstream commit ba6b16a4b9edc69cc940a7f1b0a1b67e83be92a8 ]

These failure paths should return -ENOMEM.  Currently they return
success.

Fixes: ac5d04edd6f3 ("crypto: sun8i-ss - rework handling of IV")
Fixes: 8fcfe2ced02c ("crypto: sun8i-ss - do not allocate memory when handling hash requests")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>