33b53749aa
kzalloc() returns NULL pointer not PTR_ERR() when it fails, so replace the IS_ERR() check with NULL pointer check. Fixes: e22471c2331c ("crypto: starfive - Add AES skcipher and aead support") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>