drbd: Constify struct file_operations

Signed-off-by: Emese Revfy <re.emese@gmail.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 157d1e4343c2..af30ca97493c 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -151,7 +151,7 @@ wait_queue_head_t drbd_pp_wait;
 
 DEFINE_RATELIMIT_STATE(drbd_ratelimit_state, 5 * HZ, 5);
 
-static struct block_device_operations drbd_ops = {
+static const struct block_device_operations drbd_ops = {
         .owner =   THIS_MODULE,
         .open =    drbd_open,
         .release = drbd_release,