[IA64] add platform check to snsc driver init

Add a platform check to the snsc driver init function, to prevent
loading on non-sn2 systems.

Signed-off-by: Greg Edwards <edwardsg@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index afc6eda602f7..07e0b75f2338 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -374,7 +374,12 @@ scdrv_init(void)
         struct sysctl_data_s *scd;
         void *salbuf;
         dev_t first_dev, dev;
-        nasid_t event_nasid = ia64_sn_get_console_nasid();
+        nasid_t event_nasid;
+
+        if (!ia64_platform_is("sn2"))
+                return -ENODEV;
+
+        event_nasid = ia64_sn_get_console_nasid();
 
         if (alloc_chrdev_region(&first_dev, 0, num_cnodes,
                                 SYSCTL_BASENAME) < 0) {