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| author | Arnd Bergmann <arnd@arndb.de> | 2019-03-15 17:26:56 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2020-01-03 09:33:24 +0100 |
| commit | c103d6ee69f93e123dd05e7d307b099b83c0d82c (patch) | |
| tree | 268893eb3bde4dffa21004fa28c51b97545e687f /drivers/ide/ide-gd.c | |
| parent | compat_ioctl: bsg: add handler (diff) | |
| download | linux-c103d6ee69f93e123dd05e7d307b099b83c0d82c.tar.xz linux-c103d6ee69f93e123dd05e7d307b099b83c0d82c.zip | |
compat_ioctl: ide: floppy: add handler
Rather than relying on fs/compat_ioctl.c, this adds support
for a compat_ioctl() callback in the ide-floppy driver directly,
which lets it translate the scsi commands.
Reviewed-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/ide/ide-gd.c')
| -rw-r--r-- | drivers/ide/ide-gd.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c index dba9ad5c97b3..1bb99b556393 100644 --- a/drivers/ide/ide-gd.c +++ b/drivers/ide/ide-gd.c @@ -341,11 +341,28 @@ static int ide_gd_ioctl(struct block_device *bdev, fmode_t mode, return drive->disk_ops->ioctl(drive, bdev, mode, cmd, arg); } +#ifdef CONFIG_COMPAT +static int ide_gd_compat_ioctl(struct block_device *bdev, fmode_t mode, + unsigned int cmd, unsigned long arg) +{ + struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj); + ide_drive_t *drive = idkp->drive; + + if (!drive->disk_ops->compat_ioctl) + return -ENOIOCTLCMD; + + return drive->disk_ops->compat_ioctl(drive, bdev, mode, cmd, arg); +} +#endif + static const struct block_device_operations ide_gd_ops = { .owner = THIS_MODULE, .open = ide_gd_unlocked_open, .release = ide_gd_release, .ioctl = ide_gd_ioctl, +#ifdef CONFIG_COMPAT + .ioctl = ide_gd_compat_ioctl, +#endif .getgeo = ide_gd_getgeo, .check_events = ide_gd_check_events, .unlock_native_capacity = ide_gd_unlock_native_capacity, |