Commit 37fbbdda authored by Ioana Ciornei's avatar Ioana Ciornei Committed by David S. Miller
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dpaa2-eth: check the result of skb_to_sgvec() 



Before passing the result of skb_to_sgvec() to dma_map_sg() check if any
error was returned.

Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0da1e28f

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

+4 −0
Original line number Diff line number Diff line
@@ -611,6 +611,10 @@ static int build_sg_fd(struct dpaa2_eth_priv *priv, 


	sg_init_table(scl, nr_frags + 1);

	num_sg = skb_to_sgvec(skb, scl, 0, skb->len);

	if (unlikely(num_sg < 0)) {

		err = -ENOMEM;

		goto dma_map_sg_failed;

	}

	num_dma_bufs = dma_map_sg(dev, scl, num_sg, DMA_BIDIRECTIONAL);

	if (unlikely(!num_dma_bufs)) {

		err = -ENOMEM;