misdn: use nonseekable_open()

The driver just sets ->llseek to NULL.  It should also clear FMODE_LSEEK to
tell the VFS that seeks are not supported.

Pointed out by Christoph Hellwig.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index e7462924b505..875fabe16e36 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -61,7 +61,7 @@ mISDN_open(struct inode *ino, struct file *filep)
         init_waitqueue_head(&dev->wait);
         filep->private_data = dev;
         __module_get(THIS_MODULE);
-        return 0;
+        return nonseekable_open(ino, filep);
 }
 
 static int