Module Name: src Committed By: plunky Date: Mon Jan 23 08:30:24 UTC 2012
Modified Files: src/sys/dev/usb: ubt.c Log Message: make sure kernel lock is held when changing isoc configuration (this is called from sysctl and autoconf) To generate a diff of this commit: cvs rdiff -u -r1.43 -r1.44 src/sys/dev/usb/ubt.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/usb/ubt.c diff -u src/sys/dev/usb/ubt.c:1.43 src/sys/dev/usb/ubt.c:1.44 --- src/sys/dev/usb/ubt.c:1.43 Sat Jan 14 21:37:17 2012 +++ src/sys/dev/usb/ubt.c Mon Jan 23 08:30:24 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: ubt.c,v 1.43 2012/01/14 21:37:17 plunky Exp $ */ +/* $NetBSD: ubt.c,v 1.44 2012/01/23 08:30:24 plunky Exp $ */ /*- * Copyright (c) 2006 Itronix Inc. @@ -67,7 +67,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.43 2012/01/14 21:37:17 plunky Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.44 2012/01/23 08:30:24 plunky Exp $"); #include <sys/param.h> #include <sys/device.h> @@ -727,8 +727,11 @@ ubt_sysctl_config(SYSCTLFN_ARGS) if (sc->sc_enabled) return EBUSY; + KERNEL_LOCK(1, curlwp); sc->sc_config = t; - return ubt_set_isoc_config(sc); + error = ubt_set_isoc_config(sc); + KERNEL_UNLOCK_ONE(curlwp); + return error; } static void