linear: correct disk numbering error check

From: "Nikanth Karthikesan" <knikanth@novell.com>

Correct disk numbering problem check.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Neil Brown <neilb@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 10748240cb2f..ec921f58fbb8 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -126,7 +126,7 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
                 int j = rdev->raid_disk;
                 dev_info_t *disk = conf->disks + j;
 
-                if (j < 0 || j > raid_disks || disk->rdev) {
+                if (j < 0 || j >= raid_disks || disk->rdev) {
                         printk("linear: disk numbering problem. Aborting!\n");
                         goto out;
                 }