Messages in this thread Patch in this message |  | | From | Serge Semin <> | Subject | [PATCH 11/20] net: stmmac: Discard index usage in the dirty_rx init | Date | Mon, 8 Feb 2021 17:03:32 +0300 |
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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 --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) { -- 2.29.2
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