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linux-sg2042
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x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems 

/sys/firmware/sgi_uv should only be created on uv systems.

Signed-off-by: Russ Anderson <rja@sgi.com>
LKML-Reference: <20090403222423.GA28546@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Russ Anderson 2009-04-03 17:24:23 -05:00 committed by Ingo Molnar
parent 6a891a24e4
commit 06aa05b307
1 changed files with 4 additions and 0 deletions
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4
arch/x86/kernel/uv_sysfs.c
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@ -21,6 +21,7 @@
#include <linux/sysdev.h>
#include <asm/uv/bios.h>
#include <asm/uv/uv.h>
struct kobject *sgi_uv_kobj;
@ -47,6 +48,9 @@ static int __init sgi_uv_sysfs_init(void)
{
unsigned long ret;
if (!is_uv_system())
return -ENODEV;
if (!sgi_uv_kobj)
sgi_uv_kobj = kobject_create_and_add("sgi_uv", firmware_kobj);
if (!sgi_uv_kobj) {