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 @@
* 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))) {