From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1EB313C10AC; Sat, 17 Oct 2026 17:34:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792258492; cv=none; b=gXsm21rwLCiQ7OmmQkbYAidBLnCQ9hXBQGdobzhhZPWyHHiEWS1fwk7xBXkrZSdjPIgtJxscZU9PEDCMuvAj8um4gqso8g9GrLJODYFYnPgA5zwnFtq8Vw8HZEIGwUGAkEvWPcFXhAAX9uRzTOHynpRMn4XCApeIH4LhTMlEP8k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792258492; c=relaxed/simple; bh=h5PF+JMJQLWCf4sSHeu+25Wwg+liZA2SmMLjFGc/QG0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eOLgEpdlq73gjULqtoDp2RSSZMrD05ozPDxCt6nX5LcJ9WKCvmTgPUFuOZJmGSVlEUiu5JIUAw/wx1tfy5YCHIX5I/OqVALaq+lU0uvZfK2DEJLn8MYEQSEpFu7AOkceHP4aRowg2yHZaRyJNWpY8xEYz8T9gm86wWMAFRWuUVg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=L7e9HRBA; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="L7e9HRBA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AE8D1F000C4; Sat, 17 Oct 2026 17:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1792258491; bh=vDc/OZXCqEP1zNfheAfso6y0bt+7m1Fm4+vBmcNm8pQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=L7e9HRBA10h+EsQmygBIlEZHVktTa3+igttPaa4tQlVCO/7Mqw76cVLm7FwYZftXt RLkwLw2yEmhWjDGYJM8i8tpkCICwm9QC4SdZbGD+I/8mtyQN8/hK2heKrgCFMzVfeb Bw938NM8t6zHrSI0skFtK0ZMPYZANKKSuX7cgEUY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Eric Dumazet , "David S. Miller" , Sasha Levin , Edward Cree Subject: [PATCH 6.6 0885/1674] net: adopt skb_network_offset() and similar helpers Date: Sat, 17 Oct 2026 17:52:37 +0200 Message-ID: <20261017160453.828263538@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261017160431.119607952@linuxfoundation.org> References: <20261017160431.119607952@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Eric Dumazet [ Upstream commit 80bfab79b8351c8d858e6928a091b57c103dce29 ] This is a cleanup patch, making code a bit more concise. 1) Use skb_network_offset(skb) in place of (skb_network_header(skb) - skb->data) 2) Use -skb_network_offset(skb) in place of (skb->data - skb_network_header(skb)) 3) Use skb_transport_offset(skb) in place of (skb_transport_header(skb) - skb->data) 4) Use skb_inner_transport_offset(skb) in place of (skb_inner_transport_header(skb) - skb->data) Signed-off-by: Eric Dumazet Acked-by: Edward Cree # for sfc Signed-off-by: David S. Miller Stable-dep-of: 1c428b038400 ("xfrm: hold dev ref until after transport_finish NF_HOOK") Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 11 +++++------ drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 4 ++-- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +- drivers/net/ethernet/intel/iavf/iavf_main.c | 2 +- drivers/net/ethernet/intel/igb/igb_main.c | 2 +- drivers/net/ethernet/intel/igbvf/netdev.c | 2 +- drivers/net/ethernet/intel/igc/igc_main.c | 2 +- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 +- drivers/net/ethernet/qlogic/qede/qede_fp.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c | 3 +-- drivers/net/ethernet/sfc/siena/tx_common.c | 5 ++--- drivers/net/ethernet/sfc/tx_common.c | 5 ++--- drivers/net/ethernet/sfc/tx_tso.c | 4 ++-- drivers/net/ethernet/sun/sunvnet_common.c | 4 ++-- drivers/net/ethernet/wangxun/libwx/wx_lib.c | 2 +- drivers/net/wireguard/receive.c | 2 +- kernel/bpf/cgroup.c | 2 +- net/ipv4/raw.c | 2 +- net/ipv4/xfrm4_input.c | 2 +- net/ipv6/exthdrs.c | 4 ++-- net/ipv6/netfilter/nf_conntrack_reasm.c | 4 ++-- net/ipv6/reassembly.c | 4 ++-- net/ipv6/xfrm6_input.c | 2 +- 24 files changed, 36 insertions(+), 40 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 7c3f62783de3c..7bab74cfb37ee 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3538,7 +3538,7 @@ static u8 bnx2x_set_pbd_csum_enc(struct bnx2x *bp, struct sk_buff *skb, u32 *parsing_data, u32 xmit_type) { *parsing_data |= - ((((u8 *)skb_inner_transport_header(skb) - skb->data) >> 1) << + ((skb_inner_transport_offset(skb) >> 1) << ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W_SHIFT) & ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W; @@ -3570,7 +3570,7 @@ static u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb, u32 *parsing_data, u32 xmit_type) { *parsing_data |= - ((((u8 *)skb_transport_header(skb) - skb->data) >> 1) << + ((skb_transport_offset(skb) >> 1) << ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W_SHIFT) & ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W; @@ -3613,7 +3613,7 @@ static u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb, struct eth_tx_parse_bd_e1x *pbd, u32 xmit_type) { - u8 hlen = (skb_network_header(skb) - skb->data) >> 1; + u8 hlen = skb_network_offset(skb) >> 1; /* for now NS flag is not used in Linux */ pbd->global_data = @@ -3667,8 +3667,7 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb, u8 outerip_off, outerip_len = 0; /* from outer IP to transport */ - hlen_w = (skb_inner_transport_header(skb) - - skb_network_header(skb)) >> 1; + hlen_w = skb_inner_transport_offset(skb) >> 1; /* transport len */ hlen_w += inner_tcp_hdrlen(skb) >> 1; @@ -3714,7 +3713,7 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb, 0, IPPROTO_TCP, 0)); } - outerip_off = (skb_network_header(skb) - skb->data) >> 1; + outerip_off = (skb_network_offset(skb)) >> 1; *global_data |= outerip_off | diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 107e692e8c87a..9ad5576507707 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -2491,9 +2491,9 @@ static netdev_features_t hns3_features_check(struct sk_buff *skb, return features; if (skb->encapsulation) - len = skb_inner_transport_header(skb) - skb->data; + len = skb_inner_transport_offset(skb); else - len = skb_transport_header(skb) - skb->data; + len = skb_transport_offset(skb); /* Assume L4 is 60 byte as TCP is the only protocol with a * a flexible value, and it's max len is 60 bytes. diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 063f9ced3ffd1..7d575e857d38b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -13362,7 +13362,7 @@ static netdev_features_t i40e_features_check(struct sk_buff *skb, features &= ~NETIF_F_GSO_MASK; /* MACLEN can support at most 63 words */ - len = skb_network_header(skb) - skb->data; + len = skb_network_offset(skb); if (len & ~(63 * 2)) goto out_err; diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index b9b855a35fc85..3ddae92964610 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -4507,7 +4507,7 @@ static netdev_features_t iavf_features_check(struct sk_buff *skb, features &= ~NETIF_F_GSO_MASK; /* MACLEN can support at most 63 words */ - len = skb_network_header(skb) - skb->data; + len = skb_network_offset(skb); if (len & ~(63 * 2)) goto out_err; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index c38be2880efcf..43201369226bc 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2543,7 +2543,7 @@ igb_features_check(struct sk_buff *skb, struct net_device *dev, unsigned int network_hdr_len, mac_hdr_len; /* Make certain the headers can be described by a context descriptor */ - mac_hdr_len = skb_network_header(skb) - skb->data; + mac_hdr_len = skb_network_offset(skb); if (unlikely(mac_hdr_len > IGB_MAX_MAC_HDR_LEN)) return features & ~(NETIF_F_HW_CSUM | NETIF_F_SCTP_CRC | diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 404e8dbe679f7..c812e4b0e29f0 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -2653,7 +2653,7 @@ igbvf_features_check(struct sk_buff *skb, struct net_device *dev, unsigned int network_hdr_len, mac_hdr_len; /* Make certain the headers can be described by a context descriptor */ - mac_hdr_len = skb_network_header(skb) - skb->data; + mac_hdr_len = skb_network_offset(skb); if (unlikely(mac_hdr_len > IGBVF_MAX_MAC_HDR_LEN)) return features & ~(NETIF_F_HW_CSUM | NETIF_F_SCTP_CRC | diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 6fdf009df836d..b8261a630ca7d 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -5269,7 +5269,7 @@ igc_features_check(struct sk_buff *skb, struct net_device *dev, unsigned int network_hdr_len, mac_hdr_len; /* Make certain the headers can be described by a context descriptor */ - mac_hdr_len = skb_network_header(skb) - skb->data; + mac_hdr_len = skb_network_offset(skb); if (unlikely(mac_hdr_len > IGC_MAX_MAC_HDR_LEN)) return features & ~(NETIF_F_HW_CSUM | NETIF_F_SCTP_CRC | diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 99876b765b08b..4787aa85febad 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -10205,7 +10205,7 @@ ixgbe_features_check(struct sk_buff *skb, struct net_device *dev, unsigned int network_hdr_len, mac_hdr_len; /* Make certain the headers can be described by a context descriptor */ - mac_hdr_len = skb_network_header(skb) - skb->data; + mac_hdr_len = skb_network_offset(skb); if (unlikely(mac_hdr_len > IXGBE_MAX_MAC_HDR_LEN)) return features & ~(NETIF_F_HW_CSUM | NETIF_F_SCTP_CRC | diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 99d6aa03d4b61..3b5a5f7450a5d 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -4449,7 +4449,7 @@ ixgbevf_features_check(struct sk_buff *skb, struct net_device *dev, unsigned int network_hdr_len, mac_hdr_len; /* Make certain the headers can be described by a context descriptor */ - mac_hdr_len = skb_network_header(skb) - skb->data; + mac_hdr_len = skb_network_offset(skb); if (unlikely(mac_hdr_len > IXGBEVF_MAX_MAC_HDR_LEN)) return features & ~(NETIF_F_HW_CSUM | NETIF_F_SCTP_CRC | diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c index 5d83d10de348a..a02624f6d6d59 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_fp.c +++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c @@ -216,7 +216,7 @@ static void qede_set_params_for_ipv6_ext(struct sk_buff *skb, bd2_bits1 |= (1 << ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT); - bd2_bits2 |= ((((u8 *)skb_transport_header(skb) - skb->data) >> 1) & + bd2_bits2 |= ((skb_transport_offset(skb) >> 1) & ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK) << ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index 41894d154013b..b9dc0071c5de4 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -446,8 +446,7 @@ static int qlcnic_tx_encap_pkt(struct qlcnic_adapter *adapter, encap_descr |= skb_network_offset(skb) << 10; first_desc->encap_descr = cpu_to_le16(encap_descr); - first_desc->tcp_hdr_offset = skb_inner_transport_header(skb) - - skb->data; + first_desc->tcp_hdr_offset = skb_inner_transport_offset(skb); first_desc->ip_hdr_offset = skb_inner_network_offset(skb); qlcnic_set_tx_flags_opcode(first_desc, flags, opcode); diff --git a/drivers/net/ethernet/sfc/siena/tx_common.c b/drivers/net/ethernet/sfc/siena/tx_common.c index a7a9ab304e136..71f9b5ec5ae46 100644 --- a/drivers/net/ethernet/sfc/siena/tx_common.c +++ b/drivers/net/ethernet/sfc/siena/tx_common.c @@ -317,11 +317,10 @@ static int efx_tx_tso_header_length(struct sk_buff *skb) size_t header_len; if (skb->encapsulation) - header_len = skb_inner_transport_header(skb) - - skb->data + + header_len = skb_inner_transport_offset(skb) + (inner_tcp_hdr(skb)->doff << 2u); else - header_len = skb_transport_header(skb) - skb->data + + header_len = skb_transport_offset(skb) + (tcp_hdr(skb)->doff << 2u); return header_len; } diff --git a/drivers/net/ethernet/sfc/tx_common.c b/drivers/net/ethernet/sfc/tx_common.c index 9f2393d343715..2adb132b2f7e4 100644 --- a/drivers/net/ethernet/sfc/tx_common.c +++ b/drivers/net/ethernet/sfc/tx_common.c @@ -336,11 +336,10 @@ int efx_tx_tso_header_length(struct sk_buff *skb) size_t header_len; if (skb->encapsulation) - header_len = skb_inner_transport_header(skb) - - skb->data + + header_len = skb_inner_transport_offset(skb) + (inner_tcp_hdr(skb)->doff << 2u); else - header_len = skb_transport_header(skb) - skb->data + + header_len = skb_transport_offset(skb) + (tcp_hdr(skb)->doff << 2u); return header_len; } diff --git a/drivers/net/ethernet/sfc/tx_tso.c b/drivers/net/ethernet/sfc/tx_tso.c index 64a6768f75ea1..ddf149db81801 100644 --- a/drivers/net/ethernet/sfc/tx_tso.c +++ b/drivers/net/ethernet/sfc/tx_tso.c @@ -174,8 +174,8 @@ static int tso_start(struct tso_state *st, struct efx_nic *efx, unsigned int header_len, in_len; dma_addr_t dma_addr; - st->ip_off = skb_network_header(skb) - skb->data; - st->tcp_off = skb_transport_header(skb) - skb->data; + st->ip_off = skb_network_offset(skb); + st->tcp_off = skb_transport_offset(skb); header_len = st->tcp_off + (tcp_hdr(skb)->doff << 2u); in_len = skb_headlen(skb) - header_len; st->header_len = header_len; diff --git a/drivers/net/ethernet/sun/sunvnet_common.c b/drivers/net/ethernet/sun/sunvnet_common.c index 3525d5c0d694c..351609f4f011d 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.c +++ b/drivers/net/ethernet/sun/sunvnet_common.c @@ -1144,9 +1144,9 @@ static inline struct sk_buff *vnet_skb_shape(struct sk_buff *skb, int ncookies) nskb->protocol = skb->protocol; offset = skb_mac_header(skb) - skb->data; skb_set_mac_header(nskb, offset); - offset = skb_network_header(skb) - skb->data; + offset = skb_network_offset(skb); skb_set_network_header(nskb, offset); - offset = skb_transport_header(skb) - skb->data; + offset = skb_transport_offset(skb); skb_set_transport_header(nskb, offset); offset = 0; diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index c27e68e320e62..71c64cdb5ddbf 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -1247,7 +1247,7 @@ static int wx_tso(struct wx_ring *tx_ring, struct wx_tx_buffer *first, /* compute header lengths */ l4len = enc ? inner_tcp_hdrlen(skb) : tcp_hdrlen(skb); - *hdr_len = enc ? (skb_inner_transport_header(skb) - skb->data) : + *hdr_len = enc ? skb_inner_transport_offset(skb) : skb_transport_offset(skb); *hdr_len += l4len; diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c index db01ec03bda00..eb8851113654f 100644 --- a/drivers/net/wireguard/receive.c +++ b/drivers/net/wireguard/receive.c @@ -263,7 +263,7 @@ static bool decrypt_packet(struct sk_buff *skb, struct noise_keypair *keypair) * call skb_cow_data, so that there's no chance that data is removed * from the skb, so that later we can extract the original endpoint. */ - offset = skb->data - skb_network_header(skb); + offset = -skb_network_offset(skb); skb_push(skb, offset); num_frags = skb_cow_data(skb, 0, &trailer); offset += sizeof(struct message_data); diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index fa6f818c8eabb..c2002eeb065c0 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -1416,7 +1416,7 @@ int __cgroup_bpf_run_filter_skb(struct sock *sk, struct sk_buff *skb, enum cgroup_bpf_attach_type atype) { - unsigned int offset = skb->data - skb_network_header(skb); + unsigned int offset = -skb_network_offset(skb); struct sock *save_sk; void *saved_data_end; struct cgroup *cgrp; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index b670364630a13..ac49dac9b4fdb 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -310,7 +310,7 @@ int raw_rcv(struct sock *sk, struct sk_buff *skb) } nf_reset_ct(skb); - skb_push(skb, skb->data - skb_network_header(skb)); + skb_push(skb, -skb_network_offset(skb)); raw_rcv_skb(sk, skb); return 0; diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c index f6e90ba50b639..4548a8ff2d628 100644 --- a/net/ipv4/xfrm4_input.c +++ b/net/ipv4/xfrm4_input.c @@ -56,7 +56,7 @@ int xfrm4_transport_finish(struct sk_buff *skb, int async) return -iph->protocol; #endif - __skb_push(skb, skb->data - skb_network_header(skb)); + __skb_push(skb, -skb_network_offset(skb)); iph->tot_len = htons(skb->len); ip_send_check(iph); diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 6b4cdc7745e85..bf319cbe76592 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -815,7 +815,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) ip6_route_input(skb); if (skb_dst(skb)->error) { - skb_push(skb, skb->data - skb_network_header(skb)); + skb_push(skb, -skb_network_offset(skb)); dst_input(skb); return -1; } @@ -832,7 +832,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) goto looped_back; } - skb_push(skb, skb->data - skb_network_header(skb)); + skb_push(skb, -skb_network_offset(skb)); dst_input(skb); return -1; diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 662e3c78b741d..0d19974e85cf7 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -335,9 +335,9 @@ static int nf_ct_frag6_reasm(struct frag_queue *fq, struct sk_buff *skb, if (!reasm_data) goto err; - payload_len = ((skb->data - skb_network_header(skb)) - + payload_len = -skb_network_offset(skb) - sizeof(struct ipv6hdr) + fq->q.len - - sizeof(struct frag_hdr)); + sizeof(struct frag_hdr); if (payload_len > IPV6_MAXPLEN) { net_dbg_ratelimited("nf_ct_frag6_reasm: payload len = %d\n", payload_len); diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 359b0b4ec1bbc..a429620d06ed6 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -274,9 +274,9 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *skb, if (!reasm_data) goto out_oom; - payload_len = ((skb->data - skb_network_header(skb)) - + payload_len = -skb_network_offset(skb) - sizeof(struct ipv6hdr) + fq->q.len - - sizeof(struct frag_hdr)); + sizeof(struct frag_hdr); if (payload_len > IPV6_MAXPLEN) goto out_oversize; diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 00d2a1b8b679e..0ca92740129e5 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -41,7 +41,7 @@ static int xfrm6_transport_finish2(struct net *net, struct sock *sk, int xfrm6_transport_finish(struct sk_buff *skb, int async) { struct xfrm_offload *xo = xfrm_offload(skb); - int nhlen = skb->data - skb_network_header(skb); + int nhlen = -skb_network_offset(skb); skb_network_header(skb)[IP6CB(skb)->nhoff] = XFRM_MODE_SKB_CB(skb)->protocol; -- 2.53.0