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| author | Russ Anderson <rja@sgi.com> | 2009-04-03 17:24:23 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 14:58:10 +0200 |
| commit | 06aa05b307e8efbc278f201198e7cdf3877bc5c2 (patch) | |
| tree | be36eabd74f3dec2d88dcf2ec03a732c07de0aee /arch/x86/kernel/uv_sysfs.c | |
| parent | 6a891a24e4d0056c365a90ff2d71c38fd366b0d0 (diff) | |
| download | blackbird-op-linux-06aa05b307e8efbc278f201198e7cdf3877bc5c2.tar.gz blackbird-op-linux-06aa05b307e8efbc278f201198e7cdf3877bc5c2.zip | |
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>
Diffstat (limited to 'arch/x86/kernel/uv_sysfs.c')
| -rw-r--r-- | arch/x86/kernel/uv_sysfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/uv_sysfs.c b/arch/x86/kernel/uv_sysfs.c index 67f9b9dbf800..36afb98675a4 100644 --- a/arch/x86/kernel/uv_sysfs.c +++ b/arch/x86/kernel/uv_sysfs.c @@ -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) { |
