Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263233AbTEMGsW (ORCPT ); Tue, 13 May 2003 02:48:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263246AbTEMGsW (ORCPT ); Tue, 13 May 2003 02:48:22 -0400 Received: from bristol.phunnypharm.org ([65.207.35.130]:10730 "EHLO bristol.phunnypharm.org") by vger.kernel.org with ESMTP id S263233AbTEMGsU (ORCPT ); Tue, 13 May 2003 02:48:20 -0400 Date: Tue, 13 May 2003 02:26:40 -0400 From: Ben Collins To: Linus Torvalds , linux-kernel@vger.kernel.org Subject: [PATCH] Make KOBJ_NAME_LEN match BUS_ID_SIZE Message-ID: <20030513062640.GR433@phunnypharm.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3254 Lines: 89 This was causing me all sorts of problems with linux1394's 16-18 byte long bus_id lengths. The sysfs names were all broken. This not only makes KOBJ_NAME_LEN match BUS_ID_SIZE, but fixes the strncpy's in drivers/base/ so that it can't happen again (atleast the strings will be null terminated). Index: include/linux/kobject.h =================================================================== RCS file: /home/scm/linux-2.5/include/linux/kobject.h,v retrieving revision 1.11 diff -u -r1.11 kobject.h --- include/linux/kobject.h 12 Apr 2003 01:04:46 -0000 1.11 +++ include/linux/kobject.h 13 May 2003 06:56:30 -0000 @@ -12,7 +12,7 @@ #include #include -#define KOBJ_NAME_LEN 16 +#define KOBJ_NAME_LEN 20 struct kobject { char name[KOBJ_NAME_LEN]; Index: drivers/base/bus.c =================================================================== RCS file: /home/scm/linux-2.5/drivers/base/bus.c,v retrieving revision 1.24 diff -u -r1.24 bus.c --- drivers/base/bus.c 29 Apr 2003 17:30:20 -0000 1.24 +++ drivers/base/bus.c 13 May 2003 06:56:30 -0000 @@ -432,6 +432,7 @@ pr_debug("bus %s: add driver %s\n",bus->name,drv->name); strncpy(drv->kobj.name,drv->name,KOBJ_NAME_LEN); + drv->kobj.name[KOBJ_NAME_LEN-1] = '\0'; drv->kobj.kset = &bus->drivers; if ((error = kobject_register(&drv->kobj))) { @@ -541,6 +542,7 @@ int bus_register(struct bus_type * bus) { strncpy(bus->subsys.kset.kobj.name,bus->name,KOBJ_NAME_LEN); + bus->subsys.kset.kobj.name[KOBJ_NAME_LEN-1] = '\0'; subsys_set_kset(bus,bus_subsys); subsystem_register(&bus->subsys); Index: drivers/base/class.c =================================================================== RCS file: /home/scm/linux-2.5/drivers/base/class.c,v retrieving revision 1.18 diff -u -r1.18 class.c --- drivers/base/class.c 11 May 2003 05:00:57 -0000 1.18 +++ drivers/base/class.c 13 May 2003 06:56:30 -0000 @@ -89,6 +89,7 @@ INIT_LIST_HEAD(&cls->interfaces); strncpy(cls->subsys.kset.kobj.name,cls->name,KOBJ_NAME_LEN); + cls->subsys.kset.kobj.name[KOBJ_NAME_LEN-1] = '\0'; subsys_set_kset(cls,class_subsys); subsystem_register(&cls->subsys); @@ -259,6 +260,7 @@ /* first, register with generic layer. */ strncpy(class_dev->kobj.name, class_dev->class_id, KOBJ_NAME_LEN); + class_dev->kobj.name[KOBJ_NAME_LEN-1] = '\0'; kobj_set_kset_s(class_dev, class_obj_subsys); if (parent) class_dev->kobj.parent = &parent->subsys.kset.kobj; Index: drivers/base/core.c =================================================================== RCS file: /home/scm/linux-2.5/drivers/base/core.c,v retrieving revision 1.43 diff -u -r1.43 core.c --- drivers/base/core.c 29 Apr 2003 17:30:20 -0000 1.43 +++ drivers/base/core.c 13 May 2003 06:56:30 -0000 @@ -214,6 +214,7 @@ /* first, register with generic layer. */ strncpy(dev->kobj.name,dev->bus_id,KOBJ_NAME_LEN); + dev->kobj.name[KOBJ_NAME_LEN-1] = '\0'; kobj_set_kset_s(dev,devices_subsys); if (parent) dev->kobj.parent = &parent->kobj; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/