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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-09-19 02:03:26 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-20 14:14:27 -0700 |
| commit | 5273144116d10f66c206a068266584cc60a526ac (patch) | |
| tree | 5ae6e982ea44aa107cc851373822e36a1d84b1c0 /drivers/net/ethernet/marvell/mvneta.c | |
| parent | 3dfe8dde093a07e82fa472c0f8c29a7f6a2006a5 (diff) | |
| download | linux-5273144116d10f66c206a068266584cc60a526ac.tar.gz linux-5273144116d10f66c206a068266584cc60a526ac.tar.bz2 linux-5273144116d10f66c206a068266584cc60a526ac.zip | |
net: mvneta: avoid copying shared_info frags in mvneta_swbm_build_skb
Avoid copying skb_shared_info frags array in mvneta_swbm_build_skb() since
__build_skb_around() does not overwrite it
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index f75e05e899bb..2332a7fc9a59 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2305,11 +2305,8 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct mvneta_rx_queue *rxq, { struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp); int i, num_frags = sinfo->nr_frags; - skb_frag_t frags[MAX_SKB_FRAGS]; struct sk_buff *skb; - memcpy(frags, sinfo->frags, sizeof(skb_frag_t) * num_frags); - skb = build_skb(xdp->data_hard_start, PAGE_SIZE); if (!skb) return ERR_PTR(-ENOMEM); @@ -2321,12 +2318,12 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct mvneta_rx_queue *rxq, mvneta_rx_csum(pp, desc_status, skb); for (i = 0; i < num_frags; i++) { - struct page *page = skb_frag_page(&frags[i]); + skb_frag_t *frag = &sinfo->frags[i]; skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, - page, skb_frag_off(&frags[i]), - skb_frag_size(&frags[i]), PAGE_SIZE); - page_pool_release_page(rxq->page_pool, page); + skb_frag_page(frag), skb_frag_off(frag), + skb_frag_size(frag), PAGE_SIZE); + page_pool_release_page(rxq->page_pool, skb_frag_page(frag)); } return skb; |