489 	struct ecryptfs_global_auth_tok *walker;  in ecryptfs_find_global_auth_tok_for_sig()  local
495 	list_for_each_entry(walker,  in ecryptfs_find_global_auth_tok_for_sig()
498 		if (memcmp(walker->sig, sig, ECRYPTFS_SIG_SIZE_HEX))  in ecryptfs_find_global_auth_tok_for_sig()
501 		if (walker->flags & ECRYPTFS_AUTH_TOK_INVALID) {  in ecryptfs_find_global_auth_tok_for_sig()
506 		rc = key_validate(walker->global_auth_tok_key);  in ecryptfs_find_global_auth_tok_for_sig()
513 		down_write(&(walker->global_auth_tok_key->sem));  in ecryptfs_find_global_auth_tok_for_sig()
515 				walker->global_auth_tok_key, auth_tok);  in ecryptfs_find_global_auth_tok_for_sig()
519 		(*auth_tok_key) = walker->global_auth_tok_key;  in ecryptfs_find_global_auth_tok_for_sig()
526 	up_write(&(walker->global_auth_tok_key->sem));  in ecryptfs_find_global_auth_tok_for_sig()
529 	walker->flags |= ECRYPTFS_AUTH_TOK_INVALID;  in ecryptfs_find_global_auth_tok_for_sig()
530 	key_put(walker->global_auth_tok_key);  in ecryptfs_find_global_auth_tok_for_sig()
531 	walker->global_auth_tok_key = NULL;  in ecryptfs_find_global_auth_tok_for_sig()