svn commit: r212596 - user/weongyo/usb/sys/dev/usb/controller

[Weongyo Jeong]

Author: weongyo
Date: Tue Sep 14 02:05:08 2010
New Revision: 212596
URL: http://svn.freebsd.org/changeset/base/212596

Log:
  Initializes `bus->generation' when the USB bus structure is initialized
  that don't need to check it whenever usb_bus_explore() is called because
  it'd not be decreased.

Modified:
  user/weongyo/usb/sys/dev/usb/controller/usb_controller.c

Modified: user/weongyo/usb/sys/dev/usb/controller/usb_controller.c
==============================================================================
--- user/weongyo/usb/sys/dev/usb/controller/usb_controller.c	Tue Sep 14 01:52:16 2010	(r212595)
+++ user/weongyo/usb/sys/dev/usb/controller/usb_controller.c	Tue Sep 14 02:05:08 2010	(r212596)
@@ -198,10 +198,6 @@ usb_bus_explore(void *arg, int npending)
 			bus->do_probe = 0;
 			bus->generation++;
 		}
-		if (bus->generation == 0) {
-			/* avoid zero, hence that is memory default */
-			bus->generation = 1;
-		}
 
 #ifdef DDB
 		/*
@@ -541,6 +537,7 @@ usb_bus_struct_init(struct usb_bus *bus,
 	bus->devices_max = udevsmax;
 	bus->busmem_func = busmem_func;
 	bus->alloc_failed = 0;
+	bus->generation = 1;
 
 	mtx_init(&bus->bus_mtx, device_get_nameunit(bus->parent),
 	    NULL, MTX_DEF);