IDE: sg chaining support

Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 2b4d2a0ae5c2..c306c9f534ab 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -939,7 +939,8 @@ static int cris_ide_build_dmatable (ide_drive_t *drive)
                 /* group sequential buffers into one large buffer */
                 addr = page_to_phys(sg->page) + sg->offset;
                 size = sg_dma_len(sg);
-                while (sg++, --i) {
+                while (--i) {
+                        sg = sg_next(sg);
                         if ((addr + size) != page_to_phys(sg->page) + sg->offset)
                                 break;
                         size += sg_dma_len(sg);