1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 3b6f4adc5094..a83877c664a6 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -803,6 +803,7 @@ static long chsc_ioctl(struct file *filp, unsigned int cmd,
 
 static const struct file_operations chsc_fops = {
         .owner = THIS_MODULE,
+        .open = nonseekable_open,
         .unlocked_ioctl = chsc_ioctl,
         .compat_ioctl = chsc_ioctl,
 };