ide-scsi: cleanup ide_scsi_io_buffers()

Preparation for ide_{floppy,scsi}_io_buffers() unification.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files 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;
                 }
         }