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crypto: user - fix use_after_free of struct xxx_request
[uclinux-h8/linux.git] / crypto / algapi.c
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 2545c5f..4c1e607 100644 (file)
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -258,13 +258,15 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
        list_add(&alg->cra_list, &crypto_alg_list);
        list_add(&larval->alg.cra_list, &crypto_alg_list);
 
-       atomic_set(&alg->encrypt_cnt, 0);
-       atomic_set(&alg->decrypt_cnt, 0);
+#ifdef CONFIG_CRYPTO_STATS
+       atomic64_set(&alg->encrypt_cnt, 0);
+       atomic64_set(&alg->decrypt_cnt, 0);
        atomic64_set(&alg->encrypt_tlen, 0);
        atomic64_set(&alg->decrypt_tlen, 0);
-       atomic_set(&alg->verify_cnt, 0);
-       atomic_set(&alg->cipher_err_cnt, 0);
-       atomic_set(&alg->sign_cnt, 0);
+       atomic64_set(&alg->verify_cnt, 0);
+       atomic64_set(&alg->cipher_err_cnt, 0);
+       atomic64_set(&alg->sign_cnt, 0);
+#endif
 
 out:
        return larval;
@@ -1076,6 +1078,239 @@ int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
 }
 EXPORT_SYMBOL_GPL(crypto_type_has_alg);
 
+#ifdef CONFIG_CRYPTO_STATS
+void crypto_stats_get(struct crypto_alg *alg)
+{
+       crypto_alg_get(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_get);
+
+void crypto_stats_ablkcipher_encrypt(unsigned int nbytes, int ret,
+                                    struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->cipher_err_cnt);
+       } else {
+               atomic64_inc(&alg->encrypt_cnt);
+               atomic64_add(nbytes, &alg->encrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ablkcipher_encrypt);
+
+void crypto_stats_ablkcipher_decrypt(unsigned int nbytes, int ret,
+                                    struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->cipher_err_cnt);
+       } else {
+               atomic64_inc(&alg->decrypt_cnt);
+               atomic64_add(nbytes, &alg->decrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ablkcipher_decrypt);
+
+void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg,
+                              int ret)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->aead_err_cnt);
+       } else {
+               atomic64_inc(&alg->encrypt_cnt);
+               atomic64_add(cryptlen, &alg->encrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_aead_encrypt);
+
+void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg,
+                              int ret)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->aead_err_cnt);
+       } else {
+               atomic64_inc(&alg->decrypt_cnt);
+               atomic64_add(cryptlen, &alg->decrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_aead_decrypt);
+
+void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret,
+                                  struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->akcipher_err_cnt);
+       } else {
+               atomic64_inc(&alg->encrypt_cnt);
+               atomic64_add(src_len, &alg->encrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_encrypt);
+
+void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret,
+                                  struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->akcipher_err_cnt);
+       } else {
+               atomic64_inc(&alg->decrypt_cnt);
+               atomic64_add(src_len, &alg->decrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_decrypt);
+
+void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+               atomic64_inc(&alg->akcipher_err_cnt);
+       else
+               atomic64_inc(&alg->sign_cnt);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_sign);
+
+void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+               atomic64_inc(&alg->akcipher_err_cnt);
+       else
+               atomic64_inc(&alg->verify_cnt);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_akcipher_verify);
+
+void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->compress_err_cnt);
+       } else {
+               atomic64_inc(&alg->compress_cnt);
+               atomic64_add(slen, &alg->compress_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_compress);
+
+void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->compress_err_cnt);
+       } else {
+               atomic64_inc(&alg->decompress_cnt);
+               atomic64_add(slen, &alg->decompress_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_decompress);
+
+void crypto_stats_ahash_update(unsigned int nbytes, int ret,
+                              struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+               atomic64_inc(&alg->hash_err_cnt);
+       else
+               atomic64_add(nbytes, &alg->hash_tlen);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ahash_update);
+
+void crypto_stats_ahash_final(unsigned int nbytes, int ret,
+                             struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->hash_err_cnt);
+       } else {
+               atomic64_inc(&alg->hash_cnt);
+               atomic64_add(nbytes, &alg->hash_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_ahash_final);
+
+void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
+{
+       if (ret)
+               atomic64_inc(&alg->kpp_err_cnt);
+       else
+               atomic64_inc(&alg->setsecret_cnt);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_kpp_set_secret);
+
+void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret)
+{
+       if (ret)
+               atomic64_inc(&alg->kpp_err_cnt);
+       else
+               atomic64_inc(&alg->generate_public_key_cnt);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_kpp_generate_public_key);
+
+void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret)
+{
+       if (ret)
+               atomic64_inc(&alg->kpp_err_cnt);
+       else
+               atomic64_inc(&alg->compute_shared_secret_cnt);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_kpp_compute_shared_secret);
+
+void crypto_stats_rng_seed(struct crypto_alg *alg, int ret)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY)
+               atomic64_inc(&alg->rng_err_cnt);
+       else
+               atomic64_inc(&alg->seed_cnt);
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_rng_seed);
+
+void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen,
+                              int ret)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->rng_err_cnt);
+       } else {
+               atomic64_inc(&alg->generate_cnt);
+               atomic64_add(dlen, &alg->generate_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_rng_generate);
+
+void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret,
+                                  struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->cipher_err_cnt);
+       } else {
+               atomic64_inc(&alg->encrypt_cnt);
+               atomic64_add(cryptlen, &alg->encrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_skcipher_encrypt);
+
+void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret,
+                                  struct crypto_alg *alg)
+{
+       if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
+               atomic64_inc(&alg->cipher_err_cnt);
+       } else {
+               atomic64_inc(&alg->decrypt_cnt);
+               atomic64_add(cryptlen, &alg->decrypt_tlen);
+       }
+       crypto_alg_put(alg);
+}
+EXPORT_SYMBOL_GPL(crypto_stats_skcipher_decrypt);
+#endif
+
 static int __init crypto_algapi_init(void)
 {
        crypto_init_proc();
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