diff options
| -rw-r--r-- | drivers/dma/ioat/dma_v2.c | 5 |
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, /* pass */; else return NULL; - for (i = 0; i < num_descs; i++) { + i = 0; + do { size_t copy = min_t(size_t, len, 1 << ioat->xfercap_log); 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, dst += copy; src += copy; dump_desc_dbg(ioat, desc); - } + } while (++i < num_descs); desc->txd.flags = flags; desc->len = total_len; |