KEYS: struct key_preparsed_payload should have two payload pointers

struct key_preparsed_payload should have two payload pointers to correspond
with those in struct key.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Steve Dickson <steved@redhat.com>
Acked-by: Jeff Layton <jlayton@primarydata.com>
Reviewed-by: Sage Weil <sage@redhat.com>

diff --git a/crypto/asymmetric_keys/asymmetric_type.c b/crypto/asymmetric_keys/asymmetric_type.c
index c1fe0fc..21960a4 100644 (file)
--- a/crypto/asymmetric_keys/asymmetric_type.c
+++ b/crypto/asymmetric_keys/asymmetric_type.c
@@ -156,7 +156,7 @@ static void asymmetric_key_free_preparse(struct key_preparsed_payload *prep)
        pr_devel("==>%s()\n", __func__);
 
        if (subtype) {
-               subtype->destroy(prep->payload);
+               subtype->destroy(prep->payload[0]);
                module_put(subtype->owner);
        }
        kfree(prep->type_data[1]);

diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c
index 382ef0d..3fc8a06 100644 (file)
--- a/crypto/asymmetric_keys/x509_public_key.c
+++ b/crypto/asymmetric_keys/x509_public_key.c
@@ -177,7 +177,7 @@ static int x509_key_preparse(struct key_preparsed_payload *prep)
        __module_get(public_key_subtype.owner);
        prep->type_data[0] = &public_key_subtype;
        prep->type_data[1] = cert->fingerprint;
-       prep->payload = cert->pub;
+       prep->payload[0] = cert->pub;
        prep->description = desc;
        prep->quotalen = 100;
 

diff --git a/include/linux/key-type.h b/include/linux/key-type.h
index 88503dc..d2b4845 100644 (file)
--- a/include/linux/key-type.h
+++ b/include/linux/key-type.h
@@ -41,7 +41,7 @@ struct key_construction {
 struct key_preparsed_payload {
        char            *description;   /* Proposed key description (or NULL) */
        void            *type_data[2];  /* Private key-type data */
-       void            *payload;       /* Proposed payload */
+       void            *payload[2];    /* Proposed payload */
        const void      *data;          /* Raw data */
        size_t          datalen;        /* Raw datalen */
        size_t          quotalen;       /* Quota length for proposed payload */

diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index 5fe443d..d252c57 100644 (file)
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -811,7 +811,7 @@ static int encrypted_instantiate(struct key *key,
                goto out;
        }
 
-       rcu_assign_keypointer(key, epayload);
+       prep->payload[0] = epayload;
 out:
        kfree(datablob);
        return ret;

diff --git a/security/keys/key.c b/security/keys/key.c
index 7c9acbf..03620a3 100644 (file)
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -1043,10 +1043,12 @@ int generic_key_instantiate(struct key *key, struct key_preparsed_payload *prep)
        if (ret == 0) {
                key->type_data.p[0] = prep->type_data[0];
                key->type_data.p[1] = prep->type_data[1];
-               rcu_assign_keypointer(key, prep->payload);
+               rcu_assign_keypointer(key, prep->payload[0]);
+               key->payload.data2[1] = prep->payload[1];
                prep->type_data[0] = NULL;
                prep->type_data[1] = NULL;
-               prep->payload = NULL;
+               prep->payload[0] = NULL;
+               prep->payload[1] = NULL;
        }
        pr_devel("<==%s() = %d\n", __func__, ret);
        return ret;