When alloce new buffer to HW, should unmap the old buffer first.
This old code map the old buffer but not unmap the old buffer,
this patch fixes it.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng...@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
index 8383d67..3ddcd47 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c
@@ -1595,7 +1595,7 @@ static int hns3_alloc_ring_buffers(struct hns3_enet_ring
*ring)
static void hns3_replace_buffer(struct hns3_enet_ring *ring, int i,
struct hns3_desc_cb *res_cb)
{
- hns3_map_buffer(ring, &ring->desc_cb[i]);
+ hns3_unmap_buffer(ring, &ring->desc_cb[i]);
ring->desc_cb[i] = *res_cb;
ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);
}
--
1.9.1
