2 files changed, 3 insertions, 2 deletions

diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 0eabcca3c92d..857dfcb7b359 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -484,6 +484,7 @@ fs3270_open(struct inode *inode, struct file *filp)
                 raw3270_del_view(&fp->view);
                 goto out;
         }
+        nonseekable_open(inode, filp);
         filp->private_data = fp;
 out:
         mutex_unlock(&fs3270_mutex);
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 7217966f7d31..f5ea3384a4b9 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -445,7 +445,7 @@ static int zcore_memmap_open(struct inode *inode, struct file *filp)
         }
         kfree(chunk_array);
         filp->private_data = buf;
-        return 0;
+        return nonseekable_open(inode, filp);
 }
 
 static int zcore_memmap_release(struct inode *inode, struct file *filp)
@@ -473,7 +473,7 @@ static ssize_t zcore_reipl_write(struct file *filp, const char __user *buf,
 
 static int zcore_reipl_open(struct inode *inode, struct file *filp)
 {
-        return 0;
+        return nonseekable_open(inode, filp);
 }
 
 static int zcore_reipl_release(struct inode *inode, struct file *filp)