staging: fsl-dpaa2/eth: Fix SGT allocation (fa722c00) · Commits · 戴 / test

We mistakenly allocate space for too many entries in the scatter-gather table of multi buffer egress frames. While it doesn't have a negative impact from a functional point of view, it wastes resources so fix it. Signed-off-by:

Ioana Radulescu <ruxandra.radulescu@nxp.com> Signed-off-by:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -373,7 +373,7 @@ static int build_sg_fd(struct dpaa2_eth_priv *priv,

	/* Prepare the HW SGT structure */		/* Prepare the HW SGT structure */
	sgt_buf_size = priv->tx_data_offset +		sgt_buf_size = priv->tx_data_offset +
	sizeof(struct dpaa2_sg_entry) * (1 + num_dma_bufs);		sizeof(struct dpaa2_sg_entry) * num_dma_bufs;
	sgt_buf = netdev_alloc_frag(sgt_buf_size + DPAA2_ETH_TX_BUF_ALIGN);		sgt_buf = netdev_alloc_frag(sgt_buf_size + DPAA2_ETH_TX_BUF_ALIGN);
	if (unlikely(!sgt_buf)) {		if (unlikely(!sgt_buf)) {
	err = -ENOMEM;		err = -ENOMEM;

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