crypto: proc - identify internal ciphers

With ciphers that now cannot be accessed via the kernel crypto API,
callers shall be able to identify the ciphers that are not callable. The
/proc/crypto file is added a boolean field identifying that such
internal ciphers.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/proc.c b/crypto/proc.c
index 4a0a7aa..4ffe73b 100644
--- a/crypto/proc.c
+++ b/crypto/proc.c
@@ -89,6 +89,9 @@
 	seq_printf(m, "selftest     : %s\n",
 		   (alg->cra_flags & CRYPTO_ALG_TESTED) ?
 		   "passed" : "unknown");
+	seq_printf(m, "internal     : %s\n",
+		   (alg->cra_flags & CRYPTO_ALG_INTERNAL) ?
+		   "yes" : "no");
 
 	if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
 		seq_printf(m, "type         : larval\n");