1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 6fff077a888d..fdf34b0ec6e1 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -608,12 +608,17 @@ static int rdac_bus_notify(struct notifier_block *nb,
                             unsigned long action, void *data)
 {
         struct device *dev = data;
-        struct scsi_device *sdev = to_scsi_device(dev);
+        struct scsi_device *sdev;
         struct scsi_dh_data *scsi_dh_data;
         struct rdac_dh_data *h;
         int i, found = 0;
         unsigned long flags;
 
+        if (!scsi_is_sdev_device(dev))
+                return 0;
+
+        sdev = to_scsi_device(dev);
+
         if (action == BUS_NOTIFY_ADD_DEVICE) {
                 for (i = 0; rdac_dev_list[i].vendor; i++) {
                         if (!strncmp(sdev->vendor, rdac_dev_list[i].vendor,