diff options
author | Christoph Hellwig <hch@lst.de> | 2006-01-10 04:52:07 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-10 16:01:31 (GMT) |
commit | f042e0f80b0a9f5bb57c36d60a2798de6ca943b2 (patch) | |
tree | 57d8835c4683ec3456ebd73d3c65df0ec5725a74 | |
parent | 51a990588a3e38f7963964813786fa4f0da43ecc (diff) | |
download | linux-f042e0f80b0a9f5bb57c36d60a2798de6ca943b2.tar.xz |
[PATCH] ->compat_ioctl for 390 tape_char
The only own ioctl, TAPE390_DISPLAY, is compat_clean, everything else is
routed through common translation code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r-- | arch/s390/kernel/compat_ioctl.c | 2 | ||||
-rw-r--r-- | drivers/s390/char/tape_char.c | 20 |
2 files changed, 20 insertions, 2 deletions
diff --git a/arch/s390/kernel/compat_ioctl.c b/arch/s390/kernel/compat_ioctl.c index da473bd..432aeb3 100644 --- a/arch/s390/kernel/compat_ioctl.c +++ b/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); diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index 86262a1..5ce7ca3 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -37,6 +37,8 @@ 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 = { @@ -44,6 +46,7 @@ static struct file_operations tape_fops = .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. */ |