Re: [PATCH] Make KOBJ_NAME_LEN match BUS_ID_SIZE

Ben Collins (bcollins@debian.org)
Tue, 13 May 2003 03:14:12 -0400


On Tue, May 13, 2003 at 08:10:32AM +0100, Christoph Hellwig wrote:
> On Tue, May 13, 2003 at 02:26:40AM -0400, Ben Collins wrote:
> > 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).
>
> What about defining BUS_ID_SIZE in terms of KOBJ_NAME_LEN?

Ok, then add this in addition to the previous patch.

Index: include/linux/device.h
===================================================================
RCS file: /home/scm/linux-2.5/include/linux/device.h,v
retrieving revision 1.48
diff -u -u -r1.48 device.h
--- include/linux/device.h 29 Apr 2003 17:30:20 -0000 1.48
+++ include/linux/device.h 13 May 2003 07:47:39 -0000
@@ -35,7 +35,7 @@
#define DEVICE_NAME_SIZE 50
#define DEVICE_NAME_HALF __stringify(20) /* Less than half to accommodate slop */
#define DEVICE_ID_SIZE 32
-#define BUS_ID_SIZE 20
+#define BUS_ID_SIZE KOBJ_NAME_LEN


enum {
-
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