diff options
Diffstat (limited to 'security/keys/trusted.c')
| -rw-r--r-- | security/keys/trusted.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/security/keys/trusted.c b/security/keys/trusted.c index 0c33e2ea1f3..7611f703be5 100644 --- a/security/keys/trusted.c +++ b/security/keys/trusted.c @@ -1002,12 +1002,15 @@ static void trusted_rcu_free(struct rcu_head *rcu) */ static int trusted_update(struct key *key, const void *data, size_t datalen) { - struct trusted_key_payload *p = key->payload.data; + struct trusted_key_payload *p; struct trusted_key_payload *new_p; struct trusted_key_options *new_o; char *datablob; int ret = 0; + if (test_bit(KEY_FLAG_NEGATIVE, &key->flags)) + return -ENOKEY; + p = key->payload.data; if (!p->migratable) return -EPERM; if (datalen <= 0 || datalen > 32767 || !data) |