PERFORCE change 163017 for review

[Scott Long]

http://perforce.freebsd.org/chv.cgi?CH=163017

Change 163017 by scottl at scottl-y1 on 2009/05/29 14:15:56

	Take care of some simple devclasses locking cases.

Affected files ...

.. //depot/projects/scottl-camlock/src/sys/kern/subr_bus.c#21 edit

Differences ...

==== //depot/projects/scottl-camlock/src/sys/kern/subr_bus.c#21 (text+ko) ====

@@ -4188,9 +4188,11 @@
 	devclass_t dc;
 
 	printf("Short listing of devclasses, drivers & devices:\n");
+	mtx_lock(&devclasses_mtx);
 	TAILQ_FOREACH(dc, &devclasses, link) {
 		print_devclass_short(dc, 0);
 	}
+	mtx_unlock(&devclasses_mtx);
 }
 
 void
@@ -4199,9 +4201,11 @@
 	devclass_t dc;
 
 	printf("Full listing of devclasses, drivers & devices:\n");
+	mtx_lock(&devclasses_mtx);
 	TAILQ_FOREACH(dc, &devclasses, link) {
 		print_devclass(dc, 0);
 	}
+	mtx_unlock(&devclasses_mtx);
 }
 
 #endif