1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index feb64d65fbf..3fd8f0e169e 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1602,6 +1602,7 @@ static long dm_compat_ctl_ioctl(struct file *file, uint command, ulong u)
 #endif
 
 static const struct file_operations _ctl_fops = {
+        .open = nonseekable_open,
         .unlocked_ioctl  = dm_ctl_ioctl,
         .compat_ioctl = dm_compat_ctl_ioctl,
         .owner   = THIS_MODULE,