A few more harddels and runtimes (#7880) (#15805)

code/controllers/subsystems/ping.dm

@@ -27,7 +27,7 @@ SUBSYSTEM_DEF(ping)
 		var/client/client = currentrun[currentrun.len]
 		currentrun.len--
 
-		if(!client.is_preference_enabled(/datum/client_preference/vchat_enable))
+		if(!client?.is_preference_enabled(/datum/client_preference/vchat_enable))
 			winset(client, "output", "on-show=&is-disabled=0&is-visible=1")
 			winset(client, "browseroutput", "is-disabled=1;is-visible=0")
 			client.tgui_panel.oldchat = TRUE

code/modules/clothing/spacesuits/rig/modules/modules.dm

@@ -135,6 +135,11 @@
 	stat_modules +=	new/stat_rig_module/select(src)
 	stat_modules +=	new/stat_rig_module/charge(src)
 
+/obj/item/rig_module/Destroy(force, ...)
+	QDEL_NULL_LIST(stat_modules)
+	. = ..()
+
+
 // Called when the module is installed into a suit.
 /obj/item/rig_module/proc/installed(var/obj/item/weapon/rig/new_holder)
 	holder = new_holder
@@ -260,6 +265,10 @@
 	..()
 	src.module = module
 
+/stat_rig_module/Destroy()
+	module = null
+	. = ..()
+
 /stat_rig_module/proc/AddHref(var/list/href_list)
 	return
 

code/modules/clothing/spacesuits/rig/rig.dm

@@ -159,11 +159,17 @@
 	update_icon(1)
 
 /obj/item/weapon/rig/Destroy()
-	for(var/obj/item/piece in list(gloves,boots,helmet,chest))
+	for(var/obj/item/piece in list(gloves,boots,helmet,chest,cell,air_supply))
 		var/mob/living/M = piece.loc
 		if(istype(M))
 			M.drop_from_inventory(piece)
 		qdel(piece)
+	gloves = null
+	boots = null
+	helmet = null
+	chest = null
+	cell = null
+	air_supply = null
 	STOP_PROCESSING(SSobj, src)
 	qdel(wires)
 	wires = null