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Date: Tue, 12 May 2015 07:58:22 +0200 From: Michal Simek <michal.simek@...inx.com> To: netdev@...r.kernel.org Cc: Sören Brinkmann <soren.brinkmann@...inx.com>, monstr@...str.eu, Fabian Frederick <fabf@...net.be>, linux-kernel@...r.kernel.org, "David S. Miller" <davem@...emloft.net>, Manuel Schölling <manuel.schoelling@....de>, Julia Lawall <julia.lawall@...6.fr>, Markus Elfring <elfring@...rs.sourceforge.net>, Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@...inx.com>, linux-arm-kernel@...ts.infradead.org Subject: [PATCH] net: ll_temac: Fix DMA map size bug DMA allocates skb->len instead of headlen which is used for DMA. Signed-off-by: Michal Simek <michal.simek@...inx.com> --- drivers/net/ethernet/xilinx/ll_temac_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index ca640d04fd93..cfb6bdb37fdc 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -705,8 +705,8 @@ static int temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) cur_p->app0 |= STS_CTRL_APP0_SOP; cur_p->len = skb_headlen(skb); - cur_p->phys = dma_map_single(ndev->dev.parent, skb->data, skb->len, - DMA_TO_DEVICE); + cur_p->phys = dma_map_single(ndev->dev.parent, skb->data, + skb_headlen(skb), DMA_TO_DEVICE); cur_p->app4 = (unsigned long)skb; for (ii = 0; ii < num_frag; ii++) { -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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