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-rw-r--r--crypto/algapi.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 1462c68..2d0a1c6 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -523,7 +523,10 @@ int crypto_register_instance(struct crypto_template *tmpl,
err = crypto_check_alg(&inst->alg);
if (err)
- goto err;
+ return err;
+
+ if (unlikely(!crypto_mod_get(&inst->alg)))
+ return -EAGAIN;
inst->alg.cra_module = tmpl->module;
inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE;
@@ -545,9 +548,14 @@ unlock:
goto err;
crypto_wait_for_test(larval);
+
+ /* Remove instance if test failed */
+ if (!(inst->alg.cra_flags & CRYPTO_ALG_TESTED))
+ crypto_unregister_instance(inst);
err = 0;
err:
+ crypto_mod_put(&inst->alg);
return err;
}
EXPORT_SYMBOL_GPL(crypto_register_instance);
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