From c0a1a0a698bb0f90ec4719de34f37715abfad8a5 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Thu, 23 Jul 2015 16:06:19 +0200 Subject: [PATCH] net: fec: use managed DMA API functions to allocate BD ring So it gets freed when the device is going away. This fixes a DMA memory leak on driver probe() fail and driver remove(). Signed-off-by: Lucas Stach Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/fec_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 1f89c59b4353..2945b62b6dc5 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3115,8 +3115,8 @@ static int fec_enet_init(struct net_device *ndev) fep->bufdesc_size; /* Allocate memory for buffer descriptors. */ - cbd_base = dma_alloc_coherent(NULL, bd_size, &bd_dma, - GFP_KERNEL); + cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma, + GFP_KERNEL); if (!cbd_base) { return -ENOMEM; } -- 2.20.1