diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 0523cc6..143e4c1 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -517,6 +517,8 @@
 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 {
 	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
+	if (!capable(CAP_SYS_RAWIO))
+		return -EPERM;
 	return aac_do_ioctl(dev, cmd, arg);
 }