diff options
| -rw-r--r-- | security/keys/key.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/security/keys/key.c b/security/keys/key.c index 627697181e6a..a057e3311aad 100644 --- a/security/keys/key.c +++ b/security/keys/key.c @@ -795,12 +795,16 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref, goto error_3; } - /* search for an existing key of the same type and description in the - * destination keyring + /* if it's possible to update this type of key, search for an existing + * key of the same type and description in the destination keyring and + * update that instead if possible */ - key_ref = __keyring_search_one(keyring_ref, ktype, description, 0); - if (!IS_ERR(key_ref)) - goto found_matching_key; + if (ktype->update) { + key_ref = __keyring_search_one(keyring_ref, ktype, description, + 0); + if (!IS_ERR(key_ref)) + goto found_matching_key; + } /* decide on the permissions we want */ perm = KEY_POS_VIEW | KEY_POS_SEARCH | KEY_POS_LINK | KEY_POS_SETATTR; |