diff options
| -rw-r--r-- | fs/crypto/keyring.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/crypto/keyring.c b/fs/crypto/keyring.c index bb15709ac9a4..13d336a6cc5d 100644 --- a/fs/crypto/keyring.c +++ b/fs/crypto/keyring.c @@ -92,6 +92,8 @@ void fscrypt_put_master_key_activeref(struct super_block *sb, * destroying any subkeys embedded in it. */ + if (WARN_ON(!sb->s_master_keys)) + return; spin_lock(&sb->s_master_keys->lock); hlist_del_rcu(&mk->mk_node); spin_unlock(&sb->s_master_keys->lock); |