---

yaml
---
r: 17567
b: refs/heads/master
c: f042e0f
h: refs/heads/master
i:
  17565: e04a7f4
  17563: 7a14e07
  17559: b0e7ffe
  17551: db535de
  17535: 36583f9
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 51a990588a3e38f7963964813786fa4f0da43ecc
+refs/heads/master: f042e0f80b0a9f5bb57c36d60a2798de6ca943b2

trunk/arch/s390/kernel/compat_ioctl.c

@@ -63,8 +63,6 @@ COMPATIBLE_IOCTL(BIODASDSATTR)
 COMPATIBLE_IOCTL(BIODASDCMFENABLE)
 COMPATIBLE_IOCTL(BIODASDCMFDISABLE)
 COMPATIBLE_IOCTL(BIODASDREADALLCMB)
-
-COMPATIBLE_IOCTL(TAPE390_DISPLAY)
 };
 
 int ioctl_table_size = ARRAY_SIZE(ioctl_start);

trunk/drivers/s390/char/tape_char.c

@@ -37,13 +37,16 @@ static int tapechar_open(struct inode *,struct file *);
 static int tapechar_release(struct inode *,struct file *);
 static int tapechar_ioctl(struct inode *, struct file *, unsigned int,
 			  unsigned long);
+static long tapechar_compat_ioctl(struct file *, unsigned int,
+			  unsigned long);
 
 static struct file_operations tape_fops =
 {
 	.owner = THIS_MODULE,
 	.read = tapechar_read,
 	.write = tapechar_write,
 	.ioctl = tapechar_ioctl,
+	.compat_ioctl = tapechar_compat_ioctl,
 	.open = tapechar_open,
 	.release = tapechar_release,
 };
@@ -463,6 +466,23 @@ tapechar_ioctl(struct inode *inp, struct file *filp,
 	return device->discipline->ioctl_fn(device, no, data);
 }
 
+static long
+tapechar_compat_ioctl(struct file *filp, unsigned int no, unsigned long data)
+{
+	struct tape_device *device = filp->private_data;
+	int rval = -ENOIOCTLCMD;
+
+	if (device->discipline->ioctl_fn) {
+		lock_kernel();
+		rval = device->discipline->ioctl_fn(device, no, data);
+		unlock_kernel();
+		if (rval == -EINVAL)
+			rval = -ENOIOCTLCMD;
+	}
+
+	return rval;
+}
+
 /*
  * Initialize character device frontend.
  */