Commit c0a1a0a6 authored Jul 23, 2015 by Lucas Stach Committed by David S. Miller Jul 26, 2015

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 <l.stach@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 42288830

drivers/net/ethernet/freescale/fec_main.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -3115,7 +3115,7 @@ 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,
		cbd_base = dmam_alloc_coherent(&fep->pdev->dev, bd_size, &bd_dma,
		GFP_KERNEL);
		if (!cbd_base) {
		return -ENOMEM;