Remove unused parameter from crypto_backend_init.

lib/crypto_backend/crypto_backend.h

@@ -26,13 +26,12 @@
 #include <stddef.h>
 #include <string.h>
 
-struct crypt_device;
 struct crypt_hash;
 struct crypt_hmac;
 struct crypt_cipher;
 struct crypt_storage;
 
-int crypt_backend_init(struct crypt_device *ctx);
+int crypt_backend_init(void);
 void crypt_backend_destroy(void);
 
 #define CRYPT_BACKEND_KERNEL (1 << 0)	/* Crypto uses kernel part, for benchmark */

lib/crypto_backend/crypto_gcrypt.c

@@ -89,7 +89,7 @@ static void crypt_hash_test_whirlpool_bug(void)
 		crypto_backend_whirlpool_bug = 1;
 }
 
-int crypt_backend_init(struct crypt_device *ctx)
+int crypt_backend_init(void)
 {
 	if (crypto_backend_initialised)
 		return 0;

lib/crypto_backend/crypto_kernel.c

@@ -110,7 +110,7 @@ static int crypt_kernel_socket_init(struct sockaddr_alg *sa, int *tfmfd, int *op
 	return 0;
 }
 
-int crypt_backend_init(struct crypt_device *ctx)
+int crypt_backend_init(void)
 {
 	struct utsname uts;
 	struct sockaddr_alg sa = {

lib/crypto_backend/crypto_nettle.c

@@ -213,7 +213,7 @@ static struct hash_alg *_get_alg(const char *name)
 	return NULL;
 }
 
-int crypt_backend_init(struct crypt_device *ctx)
+int crypt_backend_init(void)
 {
 	return 0;
 }

lib/crypto_backend/crypto_nss.c

@@ -75,7 +75,7 @@ static struct hash_alg *_get_alg(const char *name)
 	return NULL;
 }
 
-int crypt_backend_init(struct crypt_device *ctx)
+int crypt_backend_init(void)
 {
 	if (crypto_backend_initialised)
 		return 0;

lib/crypto_backend/crypto_openssl.c

@@ -121,7 +121,7 @@ static const char *openssl_backend_version(void)
 }
 #endif
 
-int crypt_backend_init(struct crypt_device *ctx)
+int crypt_backend_init(void)
 {
 	if (crypto_backend_initialised)
 		return 0;

lib/setup.c

@@ -230,7 +230,7 @@ int init_crypto(struct crypt_device *ctx)
 		return r;
 	}
 
-	r = crypt_backend_init(ctx);
+	r = crypt_backend_init();
 	if (r < 0)
 		log_err(ctx, _("Cannot initialize crypto backend."));
 

tests/crypto-vectors.c

@@ -902,7 +902,7 @@ int main(__attribute__ ((unused)) int argc, __attribute__ ((unused))char *argv[]
 		exit(77);
 	}
 
-	if (crypt_backend_init(NULL))
+	if (crypt_backend_init())
 		exit_test("Crypto backend init error.", EXIT_FAILURE);
 
 	printf("Test vectors using %s crypto backend.\n", crypt_backend_version());