From c860f955681ebd83df4a03089f1910fc4b54651f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Fri, 10 Oct 2008 22:39:36 +0200 Subject: [PATCH] ide-scsi: cleanup ide_scsi_io_buffers() Preparation for ide_{floppy,scsi}_io_buffers() unification. Acked-by: Borislav Petkov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/scsi/ide-scsi.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index a2d003c5e85f..26e8c3c49474 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -139,29 +139,29 @@ static void ide_scsi_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_hwif_t *hwif = drive->hwif; const struct ide_tp_ops *tp_ops = hwif->tp_ops; xfer_func_t *xf = write ? tp_ops->output_data : tp_ops->input_data; + struct scatterlist *sg = pc->sg; char *buf; int count; while (bcount) { - count = min(pc->sg->length - pc->b_count, bcount); - if (PageHighMem(sg_page(pc->sg))) { + count = min(sg->length - pc->b_count, bcount); + if (PageHighMem(sg_page(sg))) { unsigned long flags; local_irq_save(flags); - buf = kmap_atomic(sg_page(pc->sg), KM_IRQ0) + - pc->sg->offset; + buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; xf(drive, NULL, buf + pc->b_count, count); - kunmap_atomic(buf - pc->sg->offset, KM_IRQ0); + kunmap_atomic(buf - sg->offset, KM_IRQ0); local_irq_restore(flags); } else { - buf = sg_virt(pc->sg); + buf = sg_virt(sg); xf(drive, NULL, buf + pc->b_count, count); } bcount -= count; pc->b_count += count; - if (pc->b_count == pc->sg->length) { + if (pc->b_count == sg->length) { if (!--pc->sg_cnt) break; - pc->sg = sg_next(pc->sg); + pc->sg = sg = sg_next(sg); pc->b_count = 0; } } -- 2.20.1