diff options
Diffstat (limited to 'drivers/s390/block/dasd_ioctl.c')
| -rw-r--r-- | drivers/s390/block/dasd_ioctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index 789595b3fa09..044b75371990 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -7,7 +7,7 @@ * Bugreports.to..: <Linux390@de.ibm.com> * (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999-2001 * - * $Revision: 1.47 $ + * $Revision: 1.50 $ * * i/o controls for the dasd driver. */ @@ -352,6 +352,9 @@ dasd_ioctl_read_profile(struct block_device *bdev, int no, long args) if (device == NULL) return -ENODEV; + if (dasd_profile_level == DASD_PROFILE_OFF) + return -EIO; + if (copy_to_user((long __user *) args, (long *) &device->profile, sizeof (struct dasd_profile_info_t))) return -EFAULT; |