Commit 6a86876a authored by Federico Vaga's avatar Federico Vaga

sw:drv: fix bug in computing segments

Signed-off-by: Federico Vaga's avatarFederico Vaga <>
parent 64ee0f36
......@@ -166,8 +166,10 @@ static int spec_fpga_dbg_dma_transfer(struct spec_fpga_dbg_dma *dbgdma,
"arg: {dir: %d, size: %ld, offset: 0x%08llx}\n",
dir, count, offset);
max_segment = dma_get_max_seg_size(dbgdma->dchan->device->dev) & PAGE_MASK;
err = sg_alloc_table(&sgt, (count / max_segment) + 1, GFP_KERNEL);
max_segment = dma_get_max_seg_size(dbgdma->dchan->device->dev);
err = sg_alloc_table(&sgt,
(count / max_segment) + !!(count % max_segment),
if (err)
goto err_sgt;
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