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 <linux/rwsem.h>
#include <asm/atomic.h>
-#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;
-
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This archive was generated by hypermail 2b29 : Thu May 15 2003 - 22:00:44 EST