Signed-off-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
---
Replacement of patch "firewire: fw-sbp2: enable s/g chaining".
It's the same, minus '+ .use_sg_chaining = ENABLE_SG_CHAINING,' hunk
to prevent conflicts when James is going to remove .use_sg_chaining.
drivers/firewire/fw-sbp2.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
Index: linux/drivers/firewire/fw-sbp2.c
===================================================================
--- linux.orig/drivers/firewire/fw-sbp2.c
+++ linux/drivers/firewire/fw-sbp2.c
@@ -1107,9 +1107,9 @@ sbp2_map_scatterlist(struct sbp2_command
* 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))) {
--
Stefan Richter
-=====-==--- ---= -====
http://arcgraph.de/sr/
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