diff options
Diffstat (limited to 'drivers/scsi/sr.c')
| -rw-r--r-- | drivers/scsi/sr.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 7948416f40d5..b903e54c57fd 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -556,7 +556,8 @@ static void sr_block_release(struct gendisk *disk, fmode_t mode) static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, unsigned long arg) { - struct scsi_cd *cd = scsi_cd(bdev->bd_disk); + struct gendisk *disk = bdev->bd_disk; + struct scsi_cd *cd = scsi_cd(disk); struct scsi_device *sdev = cd->device; void __user *argp = (void __user *)arg; int ret; @@ -579,7 +580,10 @@ static int sr_block_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, case SCSI_IOCTL_GET_BUS_NUMBER: break; default: - ret = scsi_cmd_blk_ioctl(bdev, mode, cmd, argp); + ret = scsi_verify_blk_ioctl(bdev, cmd); + if (ret < 0) + goto put; + ret = scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp); if (ret != -ENOTTY) goto put; ret = cdrom_ioctl(&cd->cdi, bdev, mode, cmd, arg); |