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>

1 files changed, 20 insertions, 0 deletions

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 52459ae711a..748990fa3c5 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)
 {
@@ -127,6 +142,11 @@ static int crypto_report_one(struct crypto_alg *alg,
                         goto nla_put_failure;
 
                 break;
+        case CRYPTO_ALG_TYPE_COMPRESS:
+                if (crypto_report_comp(skb, alg))
+                        goto nla_put_failure;
+
+                break;
         }
 
 out: