system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-10-04 02:10:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

net: sh_eth: don't use NULL as "struct device" for the DMA mapping API

Browse source 
Using NULL as argument for the DMA mapping API is bogus, as the DMA
mapping API may use information from the "struct device" to perform
the DMA mapping operation. Therefore, pass the appropriate "struct
device".

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Petazzoni 2017-12-04 14:33:27 +01:00 committed by David S. Miller
parent 22c1aed409
commit 573500dbf0
1 changed files with 6 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/net/ethernet/renesas/sh_eth.c
View file

@ -1187,7 +1187,7 @@ static void sh_eth_ring_free(struct net_device *ndev)
}
}
ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring;
dma_free_coherent(NULL, ringsize, mdp->rx_ring,
dma_free_coherent(&mdp->pdev->dev, ringsize, mdp->rx_ring,
mdp->rx_desc_dma);
mdp->rx_ring = NULL;
}
@ -1204,7 +1204,7 @@ static void sh_eth_ring_free(struct net_device *ndev)
sh_eth_tx_free(ndev, false);
ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring;
dma_free_coherent(NULL, ringsize, mdp->tx_ring,
dma_free_coherent(&mdp->pdev->dev, ringsize, mdp->tx_ring,
mdp->tx_desc_dma);
mdp->tx_ring = NULL;
}
@ -1324,8 +1324,8 @@ static int sh_eth_ring_init(struct net_device *ndev)
/* Allocate all Rx descriptors. */
rx_ringsize = sizeof(struct sh_eth_rxdesc) * mdp->num_rx_ring;
mdp->rx_ring = dma_alloc_coherent(NULL, rx_ringsize, &mdp->rx_desc_dma,
GFP_KERNEL);
mdp->rx_ring = dma_alloc_coherent(&mdp->pdev->dev, rx_ringsize,
&mdp->rx_desc_dma, GFP_KERNEL);
if (!mdp->rx_ring)
goto ring_free;
@ -1333,8 +1333,8 @@ static int sh_eth_ring_init(struct net_device *ndev)
/* Allocate all Tx descriptors. */
tx_ringsize = sizeof(struct sh_eth_txdesc) * mdp->num_tx_ring;
mdp->tx_ring = dma_alloc_coherent(NULL, tx_ringsize, &mdp->tx_desc_dma,
GFP_KERNEL);
mdp->tx_ring = dma_alloc_coherent(&mdp->pdev->dev, tx_ringsize,
&mdp->tx_desc_dma, GFP_KERNEL);
if (!mdp->tx_ring)
goto ring_free;
return 0;