diff options
Diffstat (limited to 'block/scsi_ioctl.c')
| -rw-r--r-- | block/scsi_ioctl.c | 34 |
1 files changed, 3 insertions, 31 deletions
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index edcfff974527..60b471f8621b 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -384,9 +384,10 @@ out_put_request: /** * sg_scsi_ioctl -- handle deprecated SCSI_IOCTL_SEND_COMMAND ioctl - * @file: file this ioctl operates on (optional) * @q: request queue to send scsi commands down * @disk: gendisk to operate on (option) + * @mode: mode used to open the file through which the ioctl has been + * submitted * @sic: userspace structure describing the command to perform * * Send down the scsi command described by @sic to the device below @@ -415,10 +416,10 @@ out_put_request: * Positive numbers returned are the compacted SCSI error codes (4 * bytes in one int) where the lowest byte is the SCSI status. */ -#define OMAX_SB_LEN 16 /* For backward compatibility */ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, struct scsi_ioctl_command __user *sic) { + enum { OMAX_SB_LEN = 16 }; /* For backward compatibility */ struct request *rq; struct scsi_request *req; int err; @@ -692,38 +693,9 @@ int scsi_verify_blk_ioctl(struct block_device *bd, unsigned int cmd) if (bd && bd == bd->bd_contains) return 0; - /* Actually none of these is particularly useful on a partition, - * but they are safe. - */ - switch (cmd) { - case SCSI_IOCTL_GET_IDLUN: - case SCSI_IOCTL_GET_BUS_NUMBER: - case SCSI_IOCTL_GET_PCI: - case SCSI_IOCTL_PROBE_HOST: - case SG_GET_VERSION_NUM: - case SG_SET_TIMEOUT: - case SG_GET_TIMEOUT: - case SG_GET_RESERVED_SIZE: - case SG_SET_RESERVED_SIZE: - case SG_EMULATED_HOST: - return 0; - case CDROM_GET_CAPABILITY: - /* Keep this until we remove the printk below. udev sends it - * and we do not want to spam dmesg about it. CD-ROMs do - * not have partitions, so we get here only for disks. - */ - return -ENOIOCTLCMD; - default: - break; - } - if (capable(CAP_SYS_RAWIO)) return 0; - /* In particular, rule out all resets and host-specific ioctls. */ - printk_ratelimited(KERN_WARNING - "%s: sending ioctl %x to a partition!\n", current->comm, cmd); - return -ENOIOCTLCMD; } EXPORT_SYMBOL(scsi_verify_blk_ioctl); |