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firewire: fw-sbp2: prepare for s/g chaining
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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@ -1107,9 +1107,9 @@ sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device,
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* elements larger than 65535 bytes, some IOMMUs may merge sg elements
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* during DMA mapping, and Linux currently doesn't prevent this.
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*/
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for (i = 0, j = 0; i < count; i++) {
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sg_len = sg_dma_len(sg + i);
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sg_addr = sg_dma_address(sg + i);
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for (i = 0, j = 0; i < count; i++, sg = sg_next(sg)) {
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sg_len = sg_dma_len(sg);
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sg_addr = sg_dma_address(sg);
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while (sg_len) {
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/* FIXME: This won't get us out of the pinch. */
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if (unlikely(j >= ARRAY_SIZE(orb->page_table))) {
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