crypto: prefix module autoloading with "crypto-"

commit 5d26a105b5a73e5635eae0629b42fa0a90e07b7b upstream.

This prefixes all crypto module loading with "crypto-" so we never run
the risk of exposing module auto-loading to userspace via a crypto API,
as demonstrated by Mathias Krause:

https://lkml.org/lkml/2013/3/4/70

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/crypto/zlib.c b/crypto/zlib.c
index c9ee681..0eefa9d 100644
--- a/crypto/zlib.c
+++ b/crypto/zlib.c
@@ -378,3 +378,4 @@
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Zlib Compression Algorithm");
 MODULE_AUTHOR("Sony Corporation");
+MODULE_ALIAS_CRYPTO("zlib");