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Commit b7811da2 authored by Stefan Richter's avatar Stefan Richter
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firewire: fw-sbp2: prepare for s/g chaining 



Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent 285838eb

drivers/firewire/fw-sbp2.c

+3 −3
Original line number Diff line number Diff line
@@ -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))) {