static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
static int dcssblk_major;
-static struct block_device_operations dcssblk_devops = {
+static const struct block_device_operations dcssblk_devops = {
.owner = THIS_MODULE,
.open = dcssblk_open,
.release = dcssblk_release,