From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Tue, 15 Jan 2008 20:10:50 +0000 (+0100)
Subject: firewire: fw-sbp2: prepare for s/g chaining
X-Git-Tag: v3.12-rc1~23961^2~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b7811da2d94d8e1f77015ec9afa4575ddc9981a4;p=kernel%2Fkernel-generic.git

firewire: fw-sbp2: prepare for s/g chaining

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index 2108cd9..8281ad9 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -1107,9 +1107,9 @@ sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device,
 	 * elements larger than 65535 bytes, some IOMMUs may merge sg elements
 	 * during DMA mapping, and Linux currently doesn't prevent this.
 	 */
-	for (i = 0, j = 0; i < count; i++) {
-		sg_len = sg_dma_len(sg + i);
-		sg_addr = sg_dma_address(sg + i);
+	for (i = 0, j = 0; i < count; i++, sg = sg_next(sg)) {
+		sg_len = sg_dma_len(sg);
+		sg_addr = sg_dma_address(sg);
 		while (sg_len) {
 			/* FIXME: This won't get us out of the pinch. */
 			if (unlikely(j >= ARRAY_SIZE(orb->page_table))) {