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authorDavid Howells <dhowells@redhat.com>2014-07-18 21:56:34 +0400
committerDavid Howells <dhowells@redhat.com>2014-07-18 21:56:34 +0400
commit6a09d17bb66a533c165be81e8a4c3557f68e1a3b (patch)
treed56b7ce27813ea9ab20ae1f22236af76b5390d6a /crypto
parent32c2e6752ff0f48fe03b9e1c7c64bde580a840d2 (diff)
downloadlinux-6a09d17bb66a533c165be81e8a4c3557f68e1a3b.tar.xz
KEYS: Provide a generic instantiation function
Provide a generic instantiation function for key types that use the preparse hook. This makes it easier to prereserve key quota before keyrings get locked to retain the new 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>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/asymmetric_keys/asymmetric_type.c25
1 files changed, 1 insertions, 24 deletions
diff --git a/crypto/asymmetric_keys/asymmetric_type.c b/crypto/asymmetric_keys/asymmetric_type.c
index b77eb5304788..c1fe0fcee8e3 100644
--- a/crypto/asymmetric_keys/asymmetric_type.c
+++ b/crypto/asymmetric_keys/asymmetric_type.c
@@ -164,29 +164,6 @@ static void asymmetric_key_free_preparse(struct key_preparsed_payload *prep)
}
/*
- * Instantiate a asymmetric_key defined key. The key was preparsed, so we just
- * have to transfer the data here.
- */
-static int asymmetric_key_instantiate(struct key *key, struct key_preparsed_payload *prep)
-{
- int ret;
-
- pr_devel("==>%s()\n", __func__);
-
- ret = key_payload_reserve(key, prep->quotalen);
- if (ret == 0) {
- key->type_data.p[0] = prep->type_data[0];
- key->type_data.p[1] = prep->type_data[1];
- key->payload.data = prep->payload;
- prep->type_data[0] = NULL;
- prep->type_data[1] = NULL;
- prep->payload = NULL;
- }
- pr_devel("<==%s() = %d\n", __func__, ret);
- return ret;
-}
-
-/*
* dispose of the data dangling from the corpse of a asymmetric key
*/
static void asymmetric_key_destroy(struct key *key)
@@ -205,7 +182,7 @@ struct key_type key_type_asymmetric = {
.name = "asymmetric",
.preparse = asymmetric_key_preparse,
.free_preparse = asymmetric_key_free_preparse,
- .instantiate = asymmetric_key_instantiate,
+ .instantiate = generic_key_instantiate,
.match = asymmetric_key_match,
.destroy = asymmetric_key_destroy,
.describe = asymmetric_key_describe,