10 files changed, 99 insertions, 6 deletions

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 7ae0d0f6d753..e6cfe1a25137 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -327,7 +327,6 @@ config CRYPTO_CRC32C_INTEL
 
 config CRYPTO_GHASH
         tristate "GHASH digest algorithm"
-        select CRYPTO_SHASH
         select CRYPTO_GF128MUL
         help
           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
@@ -475,7 +474,6 @@ config CRYPTO_WP512
 config CRYPTO_GHASH_CLMUL_NI_INTEL
         tristate "GHASH digest algorithm (CLMUL-NI accelerated)"
         depends on X86 && 64BIT
-        select CRYPTO_SHASH
         select CRYPTO_CRYPTD
         help
           GHASH is message digest algorithm for GCM (Galois/Counter Mode).
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index a816f24f2d52..a0f768c1d9aa 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -383,6 +383,7 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type,
         return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_blkcipher rblkcipher;
@@ -404,6 +405,12 @@ static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
@@ -457,6 +464,7 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type,
         return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_blkcipher rblkcipher;
@@ -478,6 +486,12 @@ static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
diff --git a/crypto/aead.c b/crypto/aead.c
index 701556ffaaef..04add3dca6fe 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -111,6 +111,7 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
         return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_aead raead;
@@ -132,6 +133,12 @@ static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
@@ -190,6 +197,7 @@ static int crypto_init_nivaead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
         return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_aead raead;
@@ -210,6 +218,12 @@ static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 
 static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
diff --git a/crypto/ahash.c b/crypto/ahash.c
index a3e6ef99394a..ac93c99cfae8 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -399,6 +399,7 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
         return sizeof(struct crypto_shash *);
 }
 
+#ifdef CONFIG_NET
 static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_hash rhash;
@@ -416,6 +417,12 @@ static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 9d4a9fe913f8..056571b85445 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -405,6 +405,41 @@ int crypto_unregister_alg(struct crypto_alg *alg)
 }
 EXPORT_SYMBOL_GPL(crypto_unregister_alg);
 
+int crypto_register_algs(struct crypto_alg *algs, int count)
+{
+        int i, ret;
+
+        for (i = 0; i < count; i++) {
+                ret = crypto_register_alg(&algs[i]);
+                if (ret)
+                        goto err;
+        }
+
+        return 0;
+
+err:
+        for (--i; i >= 0; --i)
+                crypto_unregister_alg(&algs[i]);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(crypto_register_algs);
+
+int crypto_unregister_algs(struct crypto_alg *algs, int count)
+{
+        int i, ret;
+
+        for (i = 0; i < count; i++) {
+                ret = crypto_unregister_alg(&algs[i]);
+                if (ret)
+                        pr_err("Failed to unregister %s %s: %d\n",
+                               algs[i].cra_driver_name, algs[i].cra_name, ret);
+        }
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_unregister_algs);
+
 int crypto_register_template(struct crypto_template *tmpl)
 {
         struct crypto_template *q;
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 2572d2600136..1e61d1a888b2 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -494,6 +494,7 @@ static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
                 return crypto_init_blkcipher_ops_async(tfm);
 }
 
+#ifdef CONFIG_NET
 static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_blkcipher rblkcipher;
@@ -515,6 +516,12 @@ static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index edeebe1a84bb..3e61cc101e83 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -44,9 +44,6 @@ static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact)
 
         down_read(&crypto_alg_sem);
 
-        if (list_empty(&crypto_alg_list))
-                return NULL;
-
         list_for_each_entry(q, &crypto_alg_list, cra_list) {
                 int match = 0;
 
@@ -307,7 +304,7 @@ static int crypto_del_alg(struct sk_buff *skb, struct nlmsghdr *nlh,
 static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh,
                           struct nlattr **attrs)
 {
-        int exact;
+        int exact = 0;
         const char *name;
         struct crypto_alg *alg;
         struct crypto_user_alg *p = nlmsg_data(nlh);
diff --git a/crypto/pcompress.c b/crypto/pcompress.c
index fefda78a6a2a..2e458e5482d0 100644
--- a/crypto/pcompress.c
+++ b/crypto/pcompress.c
@@ -48,6 +48,7 @@ static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
         return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_comp rpcomp;
@@ -62,6 +63,12 @@ static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
diff --git a/crypto/rng.c b/crypto/rng.c
index feb7de00f437..64f864fa8043 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -60,6 +60,7 @@ static int crypto_init_rng_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
         return 0;
 }
 
+#ifdef CONFIG_NET
 static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_rng rrng;
@@ -76,6 +77,12 @@ static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));
diff --git a/crypto/shash.c b/crypto/shash.c
index ea8a9c6e21e3..9100912716ae 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -524,6 +524,7 @@ static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
         return alg->cra_ctxsize;
 }
 
+#ifdef CONFIG_NET
 static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
 {
         struct crypto_report_hash rhash;
@@ -541,6 +542,12 @@ static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
 nla_put_failure:
         return -EMSGSIZE;
 }
+#else
+static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+        return -ENOSYS;
+}
+#endif
 
 static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
         __attribute__ ((unused));