Add context to crypto backend init (so it can print errors to callback).

git-svn-id: https://cryptsetup.googlecode.com/svn/trunk@415 36d66b0a-2a48-0410-832c-cd162a569da5

lib/crypto_backend/crypto_backend.h

@@ -7,7 +7,7 @@
 struct crypt_hash;
 struct crypt_hmac;
 
-int crypt_backend_init(void);
+int crypt_backend_init(struct crypt_device *ctx);
 
 #define CRYPT_BACKEND_KERNEL (1 << 0)	/* Crypto uses kernel part, for benchmark */
 

lib/crypto_backend/crypto_gcrypt.c

@@ -39,7 +39,7 @@ struct crypt_hmac {
 	int hash_len;
 };
 
-int crypt_backend_init(void)
+int crypt_backend_init(struct crypt_device *ctx)
 {
 	if (crypto_backend_initialised)
 		return 0;

lib/crypto_backend/crypto_kernel.c

@@ -88,7 +88,7 @@ bad:
 	return -EINVAL;
 }
 
-int crypt_backend_init(void)
+int crypt_backend_init(struct crypt_device *ctx)
 {
 	struct utsname uts;
 

lib/crypto_backend/crypto_nss.c

@@ -65,7 +65,7 @@ static struct hash_alg *_get_alg(const char *name)
 	return NULL;
 }
 
-int crypt_backend_init(void)
+int crypt_backend_init(struct crypt_device *ctx)
 {
 	if (crypto_backend_initialised)
 		return 0;

lib/crypto_backend/crypto_openssl.c

@@ -37,7 +37,7 @@ struct crypt_hmac {
 	int hash_len;
 };
 
-int crypt_backend_init(void)
+int crypt_backend_init(struct crypt_device *ctx)
 {
 	if (crypto_backend_initialised)
 		return 0;