diff options
Diffstat (limited to 'drivers/dma/ioat/dma.c')
| -rw-r--r-- | drivers/dma/ioat/dma.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 32a757be75c..c524d36d3c2 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -251,12 +251,12 @@ static dma_cookie_t ioat1_tx_submit(struct dma_async_tx_descriptor *tx) dev_dbg(to_dev(&ioat->base), "%s: cookie: %d\n", __func__, cookie); /* write address into NextDescriptor field of last desc in chain */ - first = to_ioat_desc(tx->tx_list.next); + first = to_ioat_desc(desc->tx_list.next); chain_tail = to_ioat_desc(ioat->used_desc.prev); /* make descriptor updates globally visible before chaining */ wmb(); chain_tail->hw->next = first->txd.phys; - list_splice_tail_init(&tx->tx_list, &ioat->used_desc); + list_splice_tail_init(&desc->tx_list, &ioat->used_desc); dump_desc_dbg(ioat, chain_tail); dump_desc_dbg(ioat, first); @@ -298,6 +298,7 @@ ioat_dma_alloc_descriptor(struct ioat_dma_chan *ioat, gfp_t flags) memset(desc, 0, sizeof(*desc)); + INIT_LIST_HEAD(&desc_sw->tx_list); dma_async_tx_descriptor_init(&desc_sw->txd, &ioat->base.common); desc_sw->txd.tx_submit = ioat1_tx_submit; desc_sw->hw = desc; @@ -522,7 +523,7 @@ ioat1_dma_prep_memcpy(struct dma_chan *c, dma_addr_t dma_dest, desc->txd.flags = flags; desc->len = total_len; - list_splice(&chain, &desc->txd.tx_list); + list_splice(&chain, &desc->tx_list); hw->ctl_f.int_en = !!(flags & DMA_PREP_INTERRUPT); hw->ctl_f.compl_write = 1; hw->tx_cnt = tx_cnt; |