--- zzzz-none-000/linux-4.9.231/include/linux/idr.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/include/linux/idr.h	2022-03-30 12:03:35.000000000 +0000
@@ -84,7 +84,7 @@
 		 int (*fn)(int id, void *p, void *data), void *data);
 void *idr_get_next(struct idr *idp, int *nextid);
 void *idr_replace(struct idr *idp, void *ptr, int id);
-void idr_remove(struct idr *idp, int id);
+void *idr_remove(struct idr *idp, int id);
 void idr_destroy(struct idr *idp);
 void idr_init(struct idr *idp);
 bool idr_is_empty(struct idr *idp);