Commit 17170e65 authored May 03, 2019 by Laurentiu Tudor Committed by David S. Miller May 05, 2019

dpaa_eth: fix SG frame cleanup



Fix issue with the entry indexing in the sg frame cleanup code being
off-by-1. This problem showed up when doing some basic iperf tests and
manifested in traffic coming to a halt.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent d14a108d

drivers/net/ethernet/freescale/dpaa/dpaa_eth.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1648,7 +1648,7 @@ static struct sk_buff dpaa_cleanup_tx_fd(const struct dpaa_priv priv,
		qm_sg_entry_get_len(&sgt[0]), dma_dir);

		/* remaining pages were mapped with skb_frag_dma_map() */
		for (i = 1; i < nr_frags; i++) {
		for (i = 1; i <= nr_frags; i++) {
		WARN_ON(qm_sg_entry_is_ext(&sgt[i]));

		dma_unmap_page(dev, qm_sg_addr(&sgt[i]),

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