bus: improve null_add_child() panic message

When null_add_child() panics add the bus device name/unit and the new unit as this will immediately reveal the parent missing the DEVMETHOD(bus_add_child, ...) entry. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D48151
freebsd · Dec 20, 2024 · 7030980 · 7030980
1 parent 5d09d10
commit 7030980
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sys/kern/bus_if.m b/sys/kern/bus_if.m
@@ -63,7 +63,8 @@
 	    int unit)
 	{
 
-		panic("bus_add_child is not implemented");
+		panic("%s: bus_add_child is not implemented, name '%s', "
+		    "unit %d", device_get_nameunit(bus), name, unit);
 	}
 
 	static int