Since commit cf32deec16e4 ("stmmac: add tx_skbuff_dma to save descriptors used 
by PTP"),
the struct dma_desc *p in stmmac_tx_clean was not used at all.

This patch remove this dead code.

Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>
Acked-by: Giuseppe Cavallaro <peppe.cavall...@st.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 9805aa8..c5dc3f9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1109,13 +1109,6 @@ static void dma_free_tx_skbufs(struct stmmac_priv *priv)
        int i;
 
        for (i = 0; i < DMA_TX_SIZE; i++) {
-               struct dma_desc *p;
-
-               if (priv->extend_desc)
-                       p = &((priv->dma_etx + i)->basic);
-               else
-                       p = priv->dma_tx + i;
-
                if (priv->tx_skbuff_dma[i].buf) {
                        if (priv->tx_skbuff_dma[i].map_as_page)
                                dma_unmap_page(priv->device,
-- 
2.10.2

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