[PATCH 2/3] net: stmmac: Always use the number of configured TX queues
From: Thierry Reding <hidden>
Date: 2017-03-28 13:58:08
Subsystem:
networking drivers, stmmac ethernet driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Maxime Chevallier, Linus Torvalds
From: Thierry Reding <redacted> Even if hardware supports multiple queues, software can choose to only use a subset of them. Make sure we never try to access uninitialized queues. Signed-off-by: Thierry Reding <redacted> --- 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 106ace3781b3..ec5bba85c529 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c@@ -3423,7 +3423,7 @@ static int stmmac_poll(struct napi_struct *napi, int budget) struct stmmac_rx_queue *rx_q = container_of(napi, struct stmmac_rx_queue, napi); struct stmmac_priv *priv = rx_q->priv_data; - u32 tx_count = priv->dma_cap.number_tx_queues; + u32 tx_count = priv->plat->tx_queues_to_use; u32 chan = rx_q->queue_index; u32 work_done = 0; u32 queue = 0;
--
2.12.0