From 064ee89abd02d6c39d77596a6babcb5fe0b49079 Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Tue, 27 Sep 2011 07:48:48 +0200
Subject: crypto: Add userspace report for compress type algorithms

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 540b97c1dd9ee68112269be322d901f1edc1a282)
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---
 crypto/crypto_user.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 52459ae711a9..748990fa3c53 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -89,6 +89,21 @@ nla_put_failure:
 	return -EMSGSIZE;
 }
 
+static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	struct crypto_report_comp rcomp;
+
+	snprintf(rcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "compression");
+
+	NLA_PUT(skb, CRYPTOCFGA_REPORT_COMPRESS,
+		sizeof(struct crypto_report_comp), &rcomp);
+
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+
 static int crypto_report_one(struct crypto_alg *alg,
 			     struct crypto_user_alg *ualg, struct sk_buff *skb)
 {
@@ -126,6 +141,11 @@ static int crypto_report_one(struct crypto_alg *alg,
 		if (crypto_report_cipher(skb, alg))
 			goto nla_put_failure;
 
+		break;
+	case CRYPTO_ALG_TYPE_COMPRESS:
+		if (crypto_report_comp(skb, alg))
+			goto nla_put_failure;
+
 		break;
 	}
 
-- 
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