netdev - [PATCH] i40e: fix wrong index in i40e_xsk_umem_dma

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Date:   Tue,  2 Jun 2020 17:12:28 +0800
From:   Li RongQing <lirongqing@...du.com>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH] i40e: fix wrong index in i40e_xsk_umem_dma_map

Fixes: 0a714186d3c0 "(i40e: add AF_XDP zero-copy Rx support)"
Signed-off-by: Li RongQing <lirongqing@...du.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