evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

[S390] tape_block: remove ioctl function

Browse source 
This is just a complicated construct which always returns -EINVAL.
Just remove it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2010-01-13 20:44:36 +01:00 • committed by Martin Schwidefsky
parent c6a5f8cea2
commit 957a37ad58
1 changed files with 0 additions and 39 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
drivers/s390/char/tape_block.c
View file

@ -46,8 +46,6 @@
*/ */
static int tapeblock_open(struct block_device *, fmode_t); static int tapeblock_open(struct block_device *, fmode_t);
static int tapeblock_release(struct gendisk *, fmode_t); static int tapeblock_release(struct gendisk *, fmode_t);
static int tapeblock_ioctl(struct block_device *, fmode_t, unsigned int,
unsigned long);
static int tapeblock_medium_changed(struct gendisk *); static int tapeblock_medium_changed(struct gendisk *);
static int tapeblock_revalidate_disk(struct gendisk *); static int tapeblock_revalidate_disk(struct gendisk *);
@ -55,7 +53,6 @@ static const struct block_device_operations tapeblock_fops = {
.owner = THIS_MODULE, .owner = THIS_MODULE,
.open = tapeblock_open, .open = tapeblock_open,
.release = tapeblock_release, .release = tapeblock_release,
.ioctl = tapeblock_ioctl,
.media_changed = tapeblock_medium_changed, .media_changed = tapeblock_medium_changed,
.revalidate_disk = tapeblock_revalidate_disk, .revalidate_disk = tapeblock_revalidate_disk,
}; };
@ -415,42 +412,6 @@ tapeblock_release(struct gendisk *disk, fmode_t mode)
return 0; return 0;
} }
/*
* Support of some generic block device IOCTLs.
*/
static int
tapeblock_ioctl(
struct block_device * bdev,
fmode_t mode,
unsigned int command,
unsigned long arg
) {
int rc;
int minor;
struct gendisk *disk = bdev->bd_disk;
struct tape_device *device;
rc = 0;
BUG_ON(!disk);
device = disk->private_data;
BUG_ON(!device);
minor = MINOR(bdev->bd_dev);
DBF_LH(6, "tapeblock_ioctl(0x%0x)\n", command);
DBF_LH(6, "device = %d:%d\n", tapeblock_major, minor);
switch (command) {
/* Refuse some IOCTL calls without complaining (mount). */
case 0x5310: /* CDROMMULTISESSION */
rc = -EINVAL;
break;
default:
rc = -EINVAL;
}
return rc;
}
/* /*
* Initialize block device frontend. * Initialize block device frontend.
*/ */