[PATCH] i40e: fix wrong index in i40e_xsk_umem_dma_map

[Li RongQing]

Fixes: 0a714186d3c0 "(i40e: add AF_XDP zero-copy Rx support)"
Signed-off-by: Li RongQing <lirongq...@baidu.com>
---
 drivers/net/ethernet/intel/i40e/i40e_xsk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c 
b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 0b7d29192b2c..c926438118ea 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -37,9 +37,9 @@ static int i40e_xsk_umem_dma_map(struct i40e_vsi *vsi, struct 
xdp_umem *umem)
 
 out_unmap:
        for (j = 0; j < i; j++) {
-               dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
+               dma_unmap_page_attrs(dev, umem->pages[j].dma, PAGE_SIZE,
                                     DMA_BIDIRECTIONAL, I40E_RX_DMA_ATTR);
-               umem->pages[i].dma = 0;
+               umem->pages[j].dma = 0;
        }
 
        return -1;
-- 
2.16.2