crypto: api - use list_first_entry_or_null and list_next_entry

Simplify crypto_more_spawns() with list_first_entry_or_null()
and list_next_entry().

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Geliang Tang 2015-11-16 22:37:14 +08:00 committed by Herbert Xu
parent 4f9ea86604
commit 304e4818d4

View File

@ -93,16 +93,15 @@ static struct list_head *crypto_more_spawns(struct crypto_alg *alg,
{
struct crypto_spawn *spawn, *n;
if (list_empty(stack))
spawn = list_first_entry_or_null(stack, struct crypto_spawn, list);
if (!spawn)
return NULL;
spawn = list_first_entry(stack, struct crypto_spawn, list);
n = list_entry(spawn->list.next, struct crypto_spawn, list);
n = list_next_entry(spawn, list);
if (spawn->alg && &n->list != stack && !n->alg)
n->alg = (n->list.next == stack) ? alg :
&list_entry(n->list.next, struct crypto_spawn,
list)->inst->alg;
&list_next_entry(n, list)->inst->alg;
list_move(&spawn->list, secondary_spawns);