Merge branches 'release', 'idle', 'redhat-bugzilla-436589', 'sbs' and 'video' into...

[linux-2.6-omap-h63xx.git] / drivers / block / ub.c

diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 14143f2c484d0ac28be1fc60b9d765c19d3c4b25..c452e2d355eeb303bce96fbcddec96002f0449e2 100644 (file)
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -657,7 +657,6 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq)
        if ((cmd = ub_get_cmd(lun)) == NULL)
                return -1;
        memset(cmd, 0, sizeof(struct ub_scsi_cmd));
-       sg_init_table(cmd->sgv, UB_MAX_REQ_SG);
 
        blkdev_dequeue_request(rq);
 
@@ -668,6 +667,7 @@ static int ub_request_fn_1(struct ub_lun *lun, struct request *rq)
        /*
         * get scatterlist from block layer
         */
+       sg_init_table(&urq->sgv[0], UB_MAX_REQ_SG);
        n_elem = blk_rq_map_sg(lun->disk->queue, rq, &urq->sgv[0]);
        if (n_elem < 0) {
                /* Impossible, because blk_rq_map_sg should not hit ENOMEM. */
@@ -808,16 +808,16 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
 
 static void ub_end_rq(struct request *rq, unsigned int scsi_status)
 {
-       int uptodate;
+       int error;
 
        if (scsi_status == 0) {
-               uptodate = 1;
+               error = 0;
        } else {
-               uptodate = 0;
+               error = -EIO;
                rq->errors = scsi_status;
        }
-       end_that_request_first(rq, uptodate, rq->hard_nr_sectors);
-       end_that_request_last(rq, uptodate);
+       if (__blk_end_request(rq, error, blk_rq_bytes(rq)))
+               BUG();
 }
 
 static int ub_rw_cmd_retry(struct ub_dev *sc, struct ub_lun *lun,
@@ -922,11 +922,6 @@ static int ub_scsi_cmd_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
        usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->send_bulk_pipe,
            bcb, US_BULK_CB_WRAP_LEN, ub_urb_complete, sc);
 
-       /* Fill what we shouldn't be filling, because usb-storage did so. */
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
-
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
                /* XXX Clear stalls */
                ub_complete(&sc->work_done);
@@ -1313,9 +1308,6 @@ static void ub_data_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
        sc->last_pipe = pipe;
        usb_fill_bulk_urb(&sc->work_urb, sc->dev, pipe, sg_virt(sg),
            sg->length, ub_urb_complete, sc);
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
 
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
                /* XXX Clear stalls */
@@ -1356,9 +1348,6 @@ static int __ub_state_stat(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
        sc->last_pipe = sc->recv_bulk_pipe;
        usb_fill_bulk_urb(&sc->work_urb, sc->dev, sc->recv_bulk_pipe,
            &sc->work_bcs, US_BULK_CS_WRAP_LEN, ub_urb_complete, sc);
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
 
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
                /* XXX Clear stalls */
@@ -1428,9 +1417,9 @@ static void ub_state_sense(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
        scmd->state = UB_CMDST_INIT;
        scmd->nsg = 1;
        sg = &scmd->sgv[0];
-       sg_set_page(sg, virt_to_page(sc->top_sense));
-       sg->offset = (unsigned long)sc->top_sense & (PAGE_SIZE-1);
-       sg->length = UB_SENSE_SIZE;
+       sg_init_table(sg, UB_MAX_REQ_SG);
+       sg_set_page(sg, virt_to_page(sc->top_sense), UB_SENSE_SIZE,
+                       (unsigned long)sc->top_sense & (PAGE_SIZE-1));
        scmd->len = UB_SENSE_SIZE;
        scmd->lun = cmd->lun;
        scmd->done = ub_top_sense_done;
@@ -1473,9 +1462,6 @@ static int ub_submit_clear_stall(struct ub_dev *sc, struct ub_scsi_cmd *cmd,
 
        usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe,
            (unsigned char*) cr, NULL, 0, ub_urb_complete, sc);
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
 
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_ATOMIC)) != 0) {
                ub_complete(&sc->work_done);
@@ -1864,9 +1850,8 @@ static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun,
        cmd->state = UB_CMDST_INIT;
        cmd->nsg = 1;
        sg = &cmd->sgv[0];
-       sg_set_page(sg, virt_to_page(p));
-       sg->offset = (unsigned long)p & (PAGE_SIZE-1);
-       sg->length = 8;
+       sg_init_table(sg, UB_MAX_REQ_SG);
+       sg_set_page(sg, virt_to_page(p), 8, (unsigned long)p & (PAGE_SIZE-1));
        cmd->len = 8;
        cmd->lun = lun;
        cmd->done = ub_probe_done;
@@ -1954,9 +1939,6 @@ static int ub_sync_reset(struct ub_dev *sc)
 
        usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe,
            (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl);
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
 
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) {
                printk(KERN_WARNING
@@ -2008,9 +1990,6 @@ static int ub_sync_getmaxlun(struct ub_dev *sc)
 
        usb_fill_control_urb(&sc->work_urb, sc->dev, sc->recv_ctrl_pipe,
            (unsigned char*) cr, p, 1, ub_probe_urb_complete, &compl);
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
 
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0)
                goto err_submit;
@@ -2078,9 +2057,6 @@ static int ub_probe_clear_stall(struct ub_dev *sc, int stalled_pipe)
 
        usb_fill_control_urb(&sc->work_urb, sc->dev, sc->send_ctrl_pipe,
            (unsigned char*) cr, NULL, 0, ub_probe_urb_complete, &compl);
-       sc->work_urb.actual_length = 0;
-       sc->work_urb.error_count = 0;
-       sc->work_urb.status = 0;
 
        if ((rc = usb_submit_urb(&sc->work_urb, GFP_KERNEL)) != 0) {
                printk(KERN_WARNING