diff mbox series

[11/20] net: stmmac: Discard index usage in the dirty_rx init

Message ID 20210208140341.9271-12-Sergey.Semin@baikalelectronics.ru
State New
Headers show
Series net: stmmac: Obvious cleanups and several fixes | expand

Commit Message

Serge Semin Feb. 8, 2021, 2:03 p.m. UTC 
Indeed in accordance with the initialization loop logics the statement
"(i - priv->dma_rx_size)" will always equal to zero. Just initialize the
dirty_rx pointer with zero then.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 8599ef6df52f..abe8db9965f4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1412,7 +1412,7 @@  static int init_dma_rx_desc_rings(struct net_device *dev, gfp_t flags)
 		}
 
 		rx_q->cur_rx = 0;
-		rx_q->dirty_rx = (unsigned int)(i - priv->dma_rx_size);
+		rx_q->dirty_rx = 0;
 
 		/* Setup the chained descriptor addresses */
 		if (priv->mode == STMMAC_CHAIN_MODE) {