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Commit 5af2e382 authored by Bart Van Assche's avatar Bart Van Assche Committed by James Bottomley
Browse files

sg: remove an unused variable 



The 'data_dir' variable is not used in sg_common_write(), hence
remove this variable.

Signed-off-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Acked-by: default avatarDouglas Gilbert <dgilbert@interlog.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 6636e7f4

drivers/scsi/sg.c

+1 −16
Original line number Diff line number Diff line
@@ -763,7 +763,7 @@ static int 
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 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, 
		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))