diff options
| -rw-r--r-- | drivers/scsi/sg.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index c0b6866eece9..07bd68331303 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -188,7 +188,6 @@ static ssize_t sg_new_write(Sg_fd *sfp, struct file *file, int read_only, Sg_request **o_srp); static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking); -static int sg_write_xfer(Sg_request * srp); static int sg_read_xfer(Sg_request * srp); static int sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer); static void sg_remove_scat(Sg_scatter_hold * schp); @@ -736,11 +735,6 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, sg_finish_rem_req(srp); return k; /* probably out of space --> ENOMEM */ } - if ((k = sg_write_xfer(srp))) { - SCSI_LOG_TIMEOUT(1, printk("sg_common_write: write_xfer, bad address\n")); - sg_finish_rem_req(srp); - return k; - } if (sdp->detached) { sg_finish_rem_req(srp); return -ENODEV; @@ -1816,32 +1810,6 @@ out: return -ENOMEM; } -static int -sg_write_xfer(Sg_request * srp) -{ - sg_io_hdr_t *hp = &srp->header; - Sg_scatter_hold *schp = &srp->data; - int num_xfer = 0; - int dxfer_dir = hp->dxfer_direction; - int new_interface = ('\0' == hp->interface_id) ? 0 : 1; - - if ((SG_DXFER_UNKNOWN == dxfer_dir) || (SG_DXFER_TO_DEV == dxfer_dir) || - (SG_DXFER_TO_FROM_DEV == dxfer_dir)) { - num_xfer = (int) (new_interface ? hp->dxfer_len : hp->flags); - if (schp->bufflen < num_xfer) - num_xfer = schp->bufflen; - } - if ((num_xfer <= 0) || (schp->dio_in_use) || - (new_interface - && ((SG_FLAG_NO_DXFER | SG_FLAG_MMAP_IO) & hp->flags))) - return 0; - - SCSI_LOG_TIMEOUT(4, printk("sg_write_xfer: num_xfer=%d, k_use_sg=%d\n", - num_xfer, schp->k_use_sg)); - - return 0; -} - static void sg_remove_scat(Sg_scatter_hold * schp) { |