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-rw-r--r--security/keys/keyring.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index 10f0a5f2d362..253c9a0eb092 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -89,7 +89,6 @@ struct key_type key_type_keyring = {
.preparse = keyring_preparse,
.free_preparse = keyring_free_preparse,
.instantiate = keyring_instantiate,
- .match = user_match,
.revoke = keyring_revoke,
.destroy = keyring_destroy,
.describe = keyring_describe,
@@ -512,6 +511,15 @@ struct key *keyring_alloc(const char *description, kuid_t uid, kgid_t gid,
EXPORT_SYMBOL(keyring_alloc);
/*
+ * By default, we keys found by getting an exact match on their descriptions.
+ */
+int key_default_cmp(const struct key *key,
+ const struct key_match_data *match_data)
+{
+ return strcmp(key->description, match_data->raw_data) == 0;
+}
+
+/*
* Iteration function to consider each key found.
*/
static int keyring_search_iterator(const void *object, void *iterator_data)
@@ -884,7 +892,7 @@ key_ref_t keyring_search(key_ref_t keyring,
.index_key.type = type,
.index_key.description = description,
.cred = current_cred(),
- .match_data.cmp = type->match,
+ .match_data.cmp = key_default_cmp,
.match_data.raw_data = description,
.match_data.lookup_type = KEYRING_SEARCH_LOOKUP_DIRECT,
.flags = KEYRING_SEARCH_DO_STATE_CHECK,
@@ -892,9 +900,6 @@ key_ref_t keyring_search(key_ref_t keyring,
key_ref_t key;
int ret;
- if (!ctx.match_data.cmp)
- return ERR_PTR(-ENOKEY);
-
if (type->match_preparse) {
ret = type->match_preparse(&ctx.match_data);
if (ret < 0)

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