Don't panic on chained s/g lists.  Only compile-tested.

Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
---
 drivers/firewire/fw-sbp2.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Index: linux/drivers/firewire/fw-sbp2.c
===================================================================
--- linux.orig/drivers/firewire/fw-sbp2.c
+++ linux/drivers/firewire/fw-sbp2.c
@@ -1100,9 +1100,9 @@ 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/

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to