for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
switch (driver_algs[i].type & CRYPTO_ALG_TYPE_MASK) {
case CRYPTO_ALG_TYPE_SKCIPHER:
- if (driver_algs[i].is_registered)
+ if (driver_algs[i].is_registered && refcount_read(
+ &driver_algs[i].alg.skcipher.base.cra_refcnt)
+ == 1) {
crypto_unregister_skcipher(
&driver_algs[i].alg.skcipher);
+ driver_algs[i].is_registered = 0;
+ }
break;
case CRYPTO_ALG_TYPE_AEAD:
- if (driver_algs[i].is_registered)
+ if (driver_algs[i].is_registered && refcount_read(
+ &driver_algs[i].alg.aead.base.cra_refcnt) == 1) {
crypto_unregister_aead(
&driver_algs[i].alg.aead);
+ driver_algs[i].is_registered = 0;
+ }
break;
case CRYPTO_ALG_TYPE_AHASH:
- if (driver_algs[i].is_registered)
+ if (driver_algs[i].is_registered && refcount_read(
+ &driver_algs[i].alg.hash.halg.base.cra_refcnt)
+ == 1) {
crypto_unregister_ahash(
&driver_algs[i].alg.hash);
+ driver_algs[i].is_registered = 0;
+ }
break;
}
- driver_algs[i].is_registered = 0;
}
return 0;
}