diff options
| author |   Ioana Ciornei <ioana.ciornei@nxp.com> | 2020-06-24 14:34:18 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-06-25 16:03:39 -0700 |
| commit | 37fbbdda63538f1bcebd566b75fa1865d30b6b19 (patch) | |
| tree | 91db3320deaa99c5272567b23f9afbb48355176a /drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | |
| parent | dpaa2-eth: trim debugfs FQ stats (diff) | |
| download | linux-dev-37fbbdda63538f1bcebd566b75fa1865d30b6b19.tar.xz linux-dev-37fbbdda63538f1bcebd566b75fa1865d30b6b19.zip | |
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: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c index f150cd454fa4..db27f959d409 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -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; |