Commit 9e66269d authored Nov 04, 2007 by Jens Axboe Committed by Stefan Richter Nov 04, 2007

ieee1394: iso and async streams: s/g list fix



Torsten Kaiser wrote:
> Looking that calltrace upwards, it seems replacing the
> memset(dma->sglist,...) with sg_init_table(...) would fix the BUG_ON()
> as that inits the SG_MAGIC.

Tested-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

parent b4f55508

drivers/ieee1394/dma.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -103,8 +103,7 @@ int dma_region_alloc(struct dma_region *dma, unsigned long n_bytes,
		goto err;
		}

		/* just to be safe - this will become unnecessary once sglist->address goes away */
		memset(dma->sglist, 0, dma->n_pages * sizeof(*dma->sglist));
		sg_init_table(dma->sglist, dma->n_pages);

		/* fill scatter/gather list with pages */
		for (i = 0; i < dma->n_pages; i++) {