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-rw-r--r--drivers/dma/ioat/dma_v2.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 8fd0b59f1902..96ffab7d37a7 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -692,7 +692,8 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
692 /* pass */; 692 /* pass */;
693 else 693 else
694 return NULL; 694 return NULL;
695 for (i = 0; i < num_descs; i++) { 695 i = 0;
696 do {
696 size_t copy = min_t(size_t, len, 1 << ioat->xfercap_log); 697 size_t copy = min_t(size_t, len, 1 << ioat->xfercap_log);
697 698
698 desc = ioat2_get_ring_ent(ioat, idx + i); 699 desc = ioat2_get_ring_ent(ioat, idx + i);
@@ -707,7 +708,7 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
707 dst += copy; 708 dst += copy;
708 src += copy; 709 src += copy;
709 dump_desc_dbg(ioat, desc); 710 dump_desc_dbg(ioat, desc);
710 } 711 } while (++i < num_descs);
711 712
712 desc->txd.flags = flags; 713 desc->txd.flags = flags;
713 desc->len = total_len; 714 desc->len = total_len;