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

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2008-01-15 21:10:50 +01:00
parent 285838eb22
commit b7811da2d9
1 changed files with 3 additions and 3 deletions
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6
drivers/firewire/fw-sbp2.c
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@ -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))) {