X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fscsi%2Fsg.c;h=93bd59a1ed79b80bde26a459b45b0a0d40ae7f83;hb=35ad68c18148a18938ff4f40e945c9734e7d2265;hp=07bd6833130309f894129e7d1bf17bb4c2e95aae;hpb=c3919af2354fff673026dcbeac6f009d2ce5ceee;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 07bd683..93bd59a 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_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);
 static void sg_build_reserve(Sg_fd * sfp, int req_size);
@@ -523,8 +522,7 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
 		err = -EFAULT;
 		goto err_out;
 	}
-	err = sg_read_xfer(srp);
-      err_out:
+err_out:
 	sg_finish_rem_req(srp);
 	return (0 == err) ? count : err;
 }
@@ -1452,12 +1450,10 @@ sg_add(struct device *cl_dev, struct class_interface *cl_intf)
 	if (sg_sysfs_valid) {
 		struct device *sg_class_member;
 
-		sg_class_member = device_create_drvdata(sg_sysfs_class,
-							cl_dev->parent,
-							MKDEV(SCSI_GENERIC_MAJOR,
-							      sdp->index),
-							sdp,
-							"%s", disk->disk_name);
+		sg_class_member = device_create(sg_sysfs_class, cl_dev->parent,
+						MKDEV(SCSI_GENERIC_MAJOR,
+						      sdp->index),
+						sdp, "%s", disk->disk_name);
 		if (IS_ERR(sg_class_member)) {
 			printk(KERN_ERR "sg_add: "
 			       "device_create failed\n");
@@ -1832,31 +1828,6 @@ sg_remove_scat(Sg_scatter_hold * schp)
 }
 
 static int
-sg_read_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_FROM_DEV == dxfer_dir)
-	    || (SG_DXFER_TO_FROM_DEV == dxfer_dir)) {
-		num_xfer = hp->dxfer_len;
-		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_read_xfer: num_xfer=%d, iovec_count=%d, k_use_sg=%d\n",
-			  num_xfer, (int)hp->iovec_count, schp->k_use_sg));
-	return 0;
-}
-
-static int
 sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer)
 {
 	Sg_scatter_hold *schp = &srp->data;
@@ -1867,9 +1838,6 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer)
 	if ((!outp) || (num_read_xfer <= 0))
 		return 0;
 
-	blk_rq_unmap_user(srp->bio);
-	srp->bio = NULL;
-
 	num = 1 << (PAGE_SHIFT + schp->page_order);
 	for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {
 		if (num > num_read_xfer) {