Even if CRYPTO_STATS is set to n, some part of CRYPTO_STATS are
compiled.
This patch made all part of crypto_user_stat uncompiled in that case.
Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
---
crypto/Makefile | 3 ++-
crypto/algapi.c | 2 ++
include/crypto/internal/cryptouser.h | 17 +++++++++++++++++
include/linux/crypto.h | 2 ++
4 files changed, 23 insertions(+), 1 deletion(-)
diff --git a/crypto/Makefile b/crypto/Makefile
index abbd86fdbad2..22f9f84f961d 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -54,7 +54,8 @@ cryptomgr-y := algboss.o testmgr.o
obj-$(CONFIG_CRYPTO_MANAGER2) += cryptomgr.o
obj-$(CONFIG_CRYPTO_USER) += crypto_user.o
-crypto_user-y := crypto_user_base.o crypto_user_stat.o
+crypto_user-y := crypto_user_base.o
+crypto_user-$(CONFIG_CRYPTO_STATS) += crypto_user_stat.o
obj-$(CONFIG_CRYPTO_CMAC) += cmac.o
obj-$(CONFIG_CRYPTO_HMAC) += hmac.o
obj-$(CONFIG_CRYPTO_VMAC) += vmac.o
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 2545c5f89c4c..f5396c88e8cd 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -258,6 +258,7 @@ 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);
+#ifdef CONFIG_CRYPTO_STATS
atomic_set(&alg->encrypt_cnt, 0);
atomic_set(&alg->decrypt_cnt, 0);
atomic64_set(&alg->encrypt_tlen, 0);
@@ -265,6 +266,7 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
atomic_set(&alg->verify_cnt, 0);
atomic_set(&alg->cipher_err_cnt, 0);
atomic_set(&alg->sign_cnt, 0);
+#endif
out:
return larval;
diff --git a/include/crypto/internal/cryptouser.h b/include/crypto/internal/cryptouser.h
index 8db299c25566..3492ab42eefb 100644
--- a/include/crypto/internal/cryptouser.h
+++ b/include/crypto/internal/cryptouser.h
@@ -3,6 +3,23 @@
struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact);
+#ifdef CONFIG_CRYPTO_STATS
int crypto_dump_reportstat(struct sk_buff *skb, struct netlink_callback *cb);
int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, struct nlattr **attrs);
int crypto_dump_reportstat_done(struct netlink_callback *cb);
+#else
+static int crypto_dump_reportstat(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ return -ENOTSUPP;
+}
+
+static int crypto_reportstat(struct sk_buff *in_skb, struct nlmsghdr *in_nlh, struct nlattr **attrs)
+{
+ return -ENOTSUPP;
+}
+
+static int crypto_dump_reportstat_done(struct netlink_callback *cb)
+{
+ return -ENOTSUPP;
+}
+#endif
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 3634ad6fe202..3e05053b8d57 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -515,6 +515,7 @@ struct crypto_alg {
struct module *cra_module;
+#ifdef CONFIG_CRYPTO_STATS
union {
atomic_t encrypt_cnt;
atomic_t compress_cnt;
@@ -552,6 +553,7 @@ struct crypto_alg {
atomic_t compute_shared_secret_cnt;
};
atomic_t sign_cnt;
+#endif /* CONFIG_CRYPTO_STATS */
} CRYPTO_MINALIGN_ATTR;
--
2.18.1
