down_write(&crypto_alg_sem);
list_for_each_entry(q, &crypto_alg_list, cra_list) {
- if (!strcmp(q->cra_driver_name, alg->cra_driver_name)) {
+ if (q == alg) {
ret = -EEXIST;
goto out;
}
}
- list_add_tail(&alg->cra_list, &crypto_alg_list);
+ list_add(&alg->cra_list, &crypto_alg_list);
out:
up_write(&crypto_alg_sem);
return ret;