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Diffstat (limited to 'crypto/algapi.c')
-rw-r--r--crypto/algapi.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 9ecb4a57b342..54e844ad9364 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -679,22 +679,16 @@ EXPORT_SYMBOL_GPL(crypto_drop_spawn);
static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn)
{
struct crypto_alg *alg;
- struct crypto_alg *alg2;
down_read(&crypto_alg_sem);
alg = spawn->alg;
- alg2 = alg;
- if (alg2)
- alg2 = crypto_mod_get(alg2);
- up_read(&crypto_alg_sem);
-
- if (!alg2) {
- if (alg)
- crypto_shoot_alg(alg);
- return ERR_PTR(-EAGAIN);
+ if (alg && !crypto_mod_get(alg)) {
+ alg->cra_flags |= CRYPTO_ALG_DYING;
+ alg = NULL;
}
+ up_read(&crypto_alg_sem);
- return alg;
+ return alg ?: ERR_PTR(-EAGAIN);
}
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,