From: lipeng Date: Sat, 1 Apr 2017 11:03:34 +0000 (+0100) Subject: net: hns: Remove redundant memset during buffer release X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fb0672d11634dd072bfb66a0b546b4fc592f4158;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git net: hns: Remove redundant memset during buffer release Because all members of desc_cb is assigned when xmit one package, so it can delete in hnae_free_buffer, as follows: - "dma, priv, length, type" are assigned in fill_v2_desc. - "page_offset, reuse_flag, buf" are not used in tx direction. Signed-off-by: lipeng Signed-off-by: Weiwei Deng Reviewed-by: Yisen Zhuang Signed-off-by: Salil Mehta Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index 120427a40883..8138dde4e767 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -61,7 +61,6 @@ static void hnae_free_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb) dev_kfree_skb_any((struct sk_buff *)cb->priv); else if (unlikely(is_rx_ring(ring))) put_page((struct page *)cb->priv); - memset(cb, 0, sizeof(*cb)); } static int hnae_map_buffer(struct hnae_ring *ring, struct hnae_desc_cb *cb)