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| author | Arnd Bergmann <arnd@arndb.de> | 2019-11-28 16:20:53 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2020-01-03 11:33:08 +0300 |
| commit | 8f8f562038c188046d683e2b650f7731739869dd (patch) | |
| tree | 5a83a9c6b9df9d68f052751af43634da9a0f54bc /block | |
| parent | f3ee6e63a9df460963bc51a40891cd9b067404f3 (diff) | |
| download | linux-8f8f562038c188046d683e2b650f7731739869dd.tar.xz | |
compat_ioctl: move CDROMREADADIO to cdrom.c
Again, there is only one file that needs this, so move the conversion
handler into the native implementation.
Reviewed-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'block')
| -rw-r--r-- | block/compat_ioctl.c | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c index e34203f7d1cf..91a5dcf6e36c 100644 --- a/block/compat_ioctl.c +++ b/block/compat_ioctl.c @@ -96,40 +96,6 @@ static int compat_hdio_ioctl(struct block_device *bdev, fmode_t mode, return error; } -struct compat_cdrom_read_audio { - union cdrom_addr addr; - u8 addr_format; - compat_int_t nframes; - compat_caddr_t buf; -}; - -static int compat_cdrom_read_audio(struct block_device *bdev, fmode_t mode, - unsigned int cmd, unsigned long arg) -{ - struct cdrom_read_audio __user *cdread_audio; - struct compat_cdrom_read_audio __user *cdread_audio32; - __u32 data; - void __user *datap; - - cdread_audio = compat_alloc_user_space(sizeof(*cdread_audio)); - cdread_audio32 = compat_ptr(arg); - - if (copy_in_user(&cdread_audio->addr, - &cdread_audio32->addr, - (sizeof(*cdread_audio32) - - sizeof(compat_caddr_t)))) - return -EFAULT; - - if (get_user(data, &cdread_audio32->buf)) - return -EFAULT; - datap = compat_ptr(data); - if (put_user(datap, &cdread_audio->buf)) - return -EFAULT; - - return __blkdev_driver_ioctl(bdev, mode, cmd, - (unsigned long)cdread_audio); -} - struct compat_blkpg_ioctl_arg { compat_int_t op; compat_int_t flags; @@ -179,8 +145,6 @@ static int compat_blkdev_driver_ioctl(struct block_device *bdev, fmode_t mode, case HDIO_GET_ADDRESS: case HDIO_GET_BUSSTATE: return compat_hdio_ioctl(bdev, mode, cmd, arg); - case CDROMREADAUDIO: - return compat_cdrom_read_audio(bdev, mode, cmd, arg); /* * No handler required for the ones below, we just need to |