block: add and use scsi_blk_cmd_ioctl
Introduce a wrapper around scsi_cmd_ioctl that takes a block device.
The function will then be enhanced to detect partition block devices
and, in that case, subject the ioctls to whitelisting.
Cc: linux-scsi@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Cc: James Bottomley <JBottomley@parallels.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 1bbf764..55eaf47 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2746,12 +2746,11 @@
{
void __user *argp = (void __user *)arg;
int ret;
- struct gendisk *disk = bdev->bd_disk;
/*
* Try the generic SCSI command ioctl's first.
*/
- ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
+ ret = scsi_cmd_blk_ioctl(bdev, mode, cmd, argp);
if (ret != -ENOTTY)
return ret;