sg: remove an unused variable
The 'data_dir' variable is not used in sg_common_write(), hence
remove this variable.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index b14f64c..a668c88 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -763,7 +763,7 @@
sg_common_write(Sg_fd * sfp, Sg_request * srp,
unsigned char *cmnd, int timeout, int blocking)
{
- int k, data_dir, at_head;
+ int k, at_head;
Sg_device *sdp = sfp->parentdp;
sg_io_hdr_t *hp = &srp->header;
@@ -793,21 +793,6 @@
return -ENODEV;
}
- switch (hp->dxfer_direction) {
- case SG_DXFER_TO_FROM_DEV:
- case SG_DXFER_FROM_DEV:
- data_dir = DMA_FROM_DEVICE;
- break;
- case SG_DXFER_TO_DEV:
- data_dir = DMA_TO_DEVICE;
- break;
- case SG_DXFER_UNKNOWN:
- data_dir = DMA_BIDIRECTIONAL;
- break;
- default:
- data_dir = DMA_NONE;
- break;
- }
hp->duration = jiffies_to_msecs(jiffies);
if (hp->interface_id != '\0' && /* v3 (or later) interface */
(SG_FLAG_Q_AT_TAIL & hp->flags))