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authorGreg Edwards <edwardsg@sgi.com>2005-09-28 17:05:19 -0500
committerTony Luck <tony.luck@intel.com>2005-10-04 09:39:18 -0700
commit96f339c6b95344942fe5fce012ff4f2a3b2cb80d (patch)
treec83a3ecd44d161becb4fe29cbbcdffc6f2f29dbb
parented39f731ab2e77e58122232f6e27333331d7793d (diff)
[IA64] mbcs_init() should give up unless running on sn2
CONFIG_SGI_MBCS is enabled in generic kernels, but the driver may oops some other platforms. Check whether we are running on sn2 and bail out if we are not before doing anything dangerous. Acked-by: Bruce Losure <blosure@americas.sgi.com> Signed-off-by: Greg Edwards <edwardsg@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
-rw-r--r--drivers/char/mbcs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index 3fa64c63110..c268ee04b2a 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -830,6 +830,9 @@ static int __init mbcs_init(void)
{
int rv;
+ if (!ia64_platform_is("sn2"))
+ return -ENODEV;
+
// Put driver into chrdevs[]. Get major number.
rv = register_chrdev(mbcs_major, DEVICE_NAME, &mbcs_ops);
if (rv < 0) {