From 227158db160449b6513d2e31894a135104b90e90 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 6 Apr 2014 18:47:38 -0400 Subject: new helper: skb_copy_and_csum_datagram_msg() Signed-off-by: Al Viro --- net/ipv4/udp.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net/ipv4') diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4a16b9129079..b2d606833ce4 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1284,9 +1284,8 @@ try_again: err = skb_copy_datagram_msg(skb, sizeof(struct udphdr), msg, copied); else { - err = skb_copy_and_csum_datagram_iovec(skb, - sizeof(struct udphdr), - msg->msg_iov); + err = skb_copy_and_csum_datagram_msg(skb, sizeof(struct udphdr), + msg); if (err == -EINVAL) goto csum_copy_err; -- cgit v1.2.3 From 6ce8e9ce5989ae13f493062975304700be86d20e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 6 Apr 2014 21:25:44 -0400 Subject: new helper: memcpy_from_msg() Signed-off-by: Al Viro --- crypto/algif_skcipher.c | 10 +++++----- drivers/isdn/mISDN/socket.c | 2 +- drivers/net/ppp/pppoe.c | 2 +- include/linux/skbuff.h | 5 +++++ include/net/sctp/sm.h | 2 +- net/appletalk/ddp.c | 2 +- net/ax25/af_ax25.c | 2 +- net/bluetooth/hci_sock.c | 2 +- net/bluetooth/mgmt.c | 2 +- net/bluetooth/rfcomm/sock.c | 2 +- net/bluetooth/sco.c | 2 +- net/caif/caif_socket.c | 4 ++-- net/can/bcm.c | 19 ++++++++----------- net/can/raw.c | 2 +- net/dccp/proto.c | 2 +- net/decnet/af_decnet.c | 2 +- net/ieee802154/dgram.c | 2 +- net/ieee802154/raw.c | 2 +- net/ipv4/ping.c | 2 +- net/ipv4/tcp_input.c | 2 +- net/irda/af_irda.c | 6 +++--- net/iucv/af_iucv.c | 2 +- net/key/af_key.c | 2 +- net/l2tp/l2tp_ip.c | 2 +- net/l2tp/l2tp_ppp.c | 3 +-- net/llc/af_llc.c | 2 +- net/netlink/af_netlink.c | 2 +- net/netrom/af_netrom.c | 2 +- net/nfc/llcp_commands.c | 4 ++-- net/nfc/rawsock.c | 2 +- net/packet/af_packet.c | 5 ++--- net/phonet/datagram.c | 2 +- net/phonet/pep.c | 2 +- net/rose/af_rose.c | 2 +- net/sctp/sm_make_chunk.c | 4 ++-- net/x25/af_x25.c | 2 +- 36 files changed, 57 insertions(+), 57 deletions(-) (limited to 'net/ipv4') diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 83187f497c7c..c3b482bee208 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -298,9 +298,9 @@ static int skcipher_sendmsg(struct kiocb *unused, struct socket *sock, len = min_t(unsigned long, len, PAGE_SIZE - sg->offset - sg->length); - err = memcpy_fromiovec(page_address(sg_page(sg)) + - sg->offset + sg->length, - msg->msg_iov, len); + err = memcpy_from_msg(page_address(sg_page(sg)) + + sg->offset + sg->length, + msg, len); if (err) goto unlock; @@ -337,8 +337,8 @@ static int skcipher_sendmsg(struct kiocb *unused, struct socket *sock, if (!sg_page(sg + i)) goto unlock; - err = memcpy_fromiovec(page_address(sg_page(sg + i)), - msg->msg_iov, plen); + err = memcpy_from_msg(page_address(sg_page(sg + i)), + msg, plen); if (err) { __free_page(sg_page(sg + i)); sg_assign_page(sg + i, NULL); diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index dcbd8589f0c4..84b35925ee4d 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -203,7 +203,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock, if (!skb) goto done; - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { err = -EFAULT; goto done; } diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 443cbbf5c55f..d2408a5e43a6 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -869,7 +869,7 @@ static int pppoe_sendmsg(struct kiocb *iocb, struct socket *sock, ph = (struct pppoe_hdr *)skb_put(skb, total_len + sizeof(struct pppoe_hdr)); start = (char *)&ph->tag[0]; - error = memcpy_fromiovec(start, m->msg_iov, total_len); + error = memcpy_from_msg(start, m, total_len); if (error < 0) { kfree_skb(skb); goto end; diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index cbe4b2078b30..97dc5f8123b3 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2687,6 +2687,11 @@ int skb_ensure_writable(struct sk_buff *skb, int write_len); int skb_vlan_pop(struct sk_buff *skb); int skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci); +static inline int memcpy_from_msg(void *data, struct msghdr *msg, int len) +{ + return memcpy_fromiovec(data, msg->msg_iov, len); +} + struct skb_checksum_ops { __wsum (*update)(const void *mem, int len, __wsum wsum); __wsum (*combine)(__wsum csum, __wsum csum2, int offset, int len); diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h index 72a31db47ded..487ef34bbd63 100644 --- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -219,7 +219,7 @@ struct sctp_chunk *sctp_make_abort_no_data(const struct sctp_association *, const struct sctp_chunk *, __u32 tsn); struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *, - const struct msghdr *, size_t msg_len); + struct msghdr *, size_t msg_len); struct sctp_chunk *sctp_make_abort_violation(const struct sctp_association *, const struct sctp_chunk *, const __u8 *, diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 425942db17f6..0d0766ea5ab1 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1659,7 +1659,7 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr SOCK_DEBUG(sk, "SK %p: Copy user data (%Zd bytes).\n", sk, len); - err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + err = memcpy_from_msg(skb_put(skb, len), msg, len); if (err) { kfree_skb(skb); err = -EFAULT; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index f4f835e19378..ca049a7c9287 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1549,7 +1549,7 @@ static int ax25_sendmsg(struct kiocb *iocb, struct socket *sock, skb_reserve(skb, size - len); /* User data follows immediately after the AX.25 data */ - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { err = -EFAULT; kfree_skb(skb); goto out; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 5e2cd2535978..2c245fdf319a 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -947,7 +947,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, if (!skb) goto done; - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { err = -EFAULT; goto drop; } diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index cbeef5f62f3b..f3e4a16fb157 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -5767,7 +5767,7 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) if (!buf) return -ENOMEM; - if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { + if (memcpy_from_msg(buf, msg, msglen)) { err = -EFAULT; goto done; } diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 8bbbb5ec468c..2348176401a0 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -588,7 +588,7 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock, } skb_reserve(skb, RFCOMM_SKB_HEAD_RESERVE); - err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size); + err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err) { kfree_skb(skb); if (sent == 0) diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 7ee9e4ab00f8..30e5ea3f1ad3 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -285,7 +285,7 @@ static int sco_send_frame(struct sock *sk, struct msghdr *msg, int len) if (!skb) return err; - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { kfree_skb(skb); return -EFAULT; } diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index fbcd156099fb..230f14026c11 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -566,7 +566,7 @@ static int caif_seqpkt_sendmsg(struct kiocb *kiocb, struct socket *sock, skb_reserve(skb, cf_sk->headroom); - ret = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + ret = memcpy_from_msg(skb_put(skb, len), msg, len); if (ret) goto err; @@ -641,7 +641,7 @@ static int caif_stream_sendmsg(struct kiocb *kiocb, struct socket *sock, */ size = min_t(int, size, skb_tailroom(skb)); - err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size); + err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err) { kfree_skb(skb); goto out_err; diff --git a/net/can/bcm.c b/net/can/bcm.c index dcb75c0e66c1..b9a1f715df18 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -858,8 +858,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, /* update can_frames content */ for (i = 0; i < msg_head->nframes; i++) { - err = memcpy_fromiovec((u8 *)&op->frames[i], - msg->msg_iov, CFSIZ); + err = memcpy_from_msg((u8 *)&op->frames[i], msg, CFSIZ); if (op->frames[i].can_dlc > 8) err = -EINVAL; @@ -894,8 +893,7 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, op->frames = &op->sframe; for (i = 0; i < msg_head->nframes; i++) { - err = memcpy_fromiovec((u8 *)&op->frames[i], - msg->msg_iov, CFSIZ); + err = memcpy_from_msg((u8 *)&op->frames[i], msg, CFSIZ); if (op->frames[i].can_dlc > 8) err = -EINVAL; @@ -1024,9 +1022,8 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, if (msg_head->nframes) { /* update can_frames content */ - err = memcpy_fromiovec((u8 *)op->frames, - msg->msg_iov, - msg_head->nframes * CFSIZ); + err = memcpy_from_msg((u8 *)op->frames, msg, + msg_head->nframes * CFSIZ); if (err < 0) return err; @@ -1072,8 +1069,8 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg, } if (msg_head->nframes) { - err = memcpy_fromiovec((u8 *)op->frames, msg->msg_iov, - msg_head->nframes * CFSIZ); + err = memcpy_from_msg((u8 *)op->frames, msg, + msg_head->nframes * CFSIZ); if (err < 0) { if (op->frames != &op->sframe) kfree(op->frames); @@ -1209,7 +1206,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk) can_skb_reserve(skb); - err = memcpy_fromiovec(skb_put(skb, CFSIZ), msg->msg_iov, CFSIZ); + err = memcpy_from_msg(skb_put(skb, CFSIZ), msg, CFSIZ); if (err < 0) { kfree_skb(skb); return err; @@ -1285,7 +1282,7 @@ static int bcm_sendmsg(struct kiocb *iocb, struct socket *sock, /* read message head information */ - ret = memcpy_fromiovec((u8 *)&msg_head, msg->msg_iov, MHSIZ); + ret = memcpy_from_msg((u8 *)&msg_head, msg, MHSIZ); if (ret < 0) return ret; diff --git a/net/can/raw.c b/net/can/raw.c index 081e81fd017f..0e4004fb6876 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -703,7 +703,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock, can_skb_reserve(skb); can_skb_prv(skb)->ifindex = dev->ifindex; - err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size); + err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err < 0) goto free_skb; diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 8e6ae9422a7b..19f038739087 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -781,7 +781,7 @@ int dccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, goto out_release; skb_reserve(skb, sk->sk_prot->max_header); - rc = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + rc = memcpy_from_msg(skb_put(skb, len), msg, len); if (rc != 0) goto out_discard; diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 25733d538147..e2e2e3cb9113 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -2032,7 +2032,7 @@ static int dn_sendmsg(struct kiocb *iocb, struct socket *sock, skb_reserve(skb, 64 + DN_MAX_NSP_DATA_HEADER); - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { err = -EFAULT; goto out; } diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index b8555ec71387..2c7a93e7167e 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -276,7 +276,7 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk, if (err < 0) goto out_skb; - err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size); + err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err < 0) goto out_skb; diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c index 21c38945ab8b..61e9d2972947 100644 --- a/net/ieee802154/raw.c +++ b/net/ieee802154/raw.c @@ -150,7 +150,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, skb_reset_mac_header(skb); skb_reset_network_header(skb); - err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size); + err = memcpy_from_msg(skb_put(skb, size), msg, size); if (err < 0) goto out_skb; diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index ce2920f5bef3..ef8f6ee90473 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -660,7 +660,7 @@ int ping_common_sendmsg(int family, struct msghdr *msg, size_t len, * Fetch the ICMP header provided by the userland. * iovec is modified! The ICMP header is consumed. */ - if (memcpy_fromiovec(user_icmph, msg->msg_iov, icmph_len)) + if (memcpy_from_msg(user_icmph, msg, icmph_len)) return -EFAULT; if (family == AF_INET) { diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index d22a31f27ab4..69de1a1c05c9 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -4368,7 +4368,7 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size) if (tcp_try_rmem_schedule(sk, skb, skb->truesize)) goto err_free; - if (memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size)) + if (memcpy_from_msg(skb_put(skb, size), msg, size)) goto err_free; TCP_SKB_CB(skb)->seq = tcp_sk(sk)->rcv_nxt; diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index e8c409055922..9052462cf42a 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1319,7 +1319,7 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock, skb_reserve(skb, self->max_header_size + 16); skb_reset_transport_header(skb); skb_put(skb, len); - err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len); + err = memcpy_from_msg(skb_transport_header(skb), msg, len); if (err) { kfree_skb(skb); goto out_err; @@ -1569,7 +1569,7 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock, pr_debug("%s(), appending user data\n", __func__); skb_put(skb, len); - err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len); + err = memcpy_from_msg(skb_transport_header(skb), msg, len); if (err) { kfree_skb(skb); goto out; @@ -1678,7 +1678,7 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock, pr_debug("%s(), appending user data\n", __func__); skb_put(skb, len); - err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len); + err = memcpy_from_msg(skb_transport_header(skb), msg, len); if (err) { kfree_skb(skb); goto out; diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 057b5647ef92..1cd3f8107239 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1122,7 +1122,7 @@ static int iucv_sock_sendmsg(struct kiocb *iocb, struct socket *sock, } if (iucv->transport == AF_IUCV_TRANS_HIPER) skb_reserve(skb, sizeof(struct af_iucv_trans_hdr) + ETH_HLEN); - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { err = -EFAULT; goto fail; } diff --git a/net/key/af_key.c b/net/key/af_key.c index e5883091a8c6..f8ac939d52b4 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -3611,7 +3611,7 @@ static int pfkey_sendmsg(struct kiocb *kiocb, goto out; err = -EFAULT; - if (memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len)) + if (memcpy_from_msg(skb_put(skb,len), msg, len)) goto out; hdr = pfkey_get_base_msg(skb, &err); diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index a6cc1fed2b52..05dfc8aa36af 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -441,7 +441,7 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m *((__be32 *) skb_put(skb, 4)) = 0; /* Copy user data into skb */ - rc = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + rc = memcpy_from_msg(skb_put(skb, len), msg, len); if (rc < 0) { kfree_skb(skb); goto error; diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index c559bcdf4679..cc7a828fc914 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -346,8 +346,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh skb_put(skb, 2); /* Copy user data into skb */ - error = memcpy_fromiovec(skb_put(skb, total_len), m->msg_iov, - total_len); + error = memcpy_from_msg(skb_put(skb, total_len), m, total_len); if (error < 0) { kfree_skb(skb); goto error_put_sess_tun; diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index af662669f951..2c0b83ce43bd 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -921,7 +921,7 @@ static int llc_ui_sendmsg(struct kiocb *iocb, struct socket *sock, skb->dev = llc->dev; skb->protocol = llc_proto_type(addr->sllc_arphrd); skb_reserve(skb, hdrlen); - rc = memcpy_fromiovec(skb_put(skb, copied), msg->msg_iov, copied); + rc = memcpy_from_msg(skb_put(skb, copied), msg, copied); if (rc) goto out; if (sk->sk_type == SOCK_DGRAM || addr->sllc_ua) { diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index e1aad6eeac14..63aa5c8acf12 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2325,7 +2325,7 @@ static int netlink_sendmsg(struct kiocb *kiocb, struct socket *sock, NETLINK_CB(skb).flags = netlink_skb_flags; err = -EFAULT; - if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_put(skb, len), msg, len)) { kfree_skb(skb); goto out; } diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 7e13f6afcd1f..69f1d5e9959f 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -1113,7 +1113,7 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, skb_put(skb, len); /* User data follows immediately after the NET/ROM transport header */ - if (memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len)) { + if (memcpy_from_msg(skb_transport_header(skb), msg, len)) { kfree_skb(skb); err = -EFAULT; goto out; diff --git a/net/nfc/llcp_commands.c b/net/nfc/llcp_commands.c index a3ad69a4c648..c4da0c2d8a14 100644 --- a/net/nfc/llcp_commands.c +++ b/net/nfc/llcp_commands.c @@ -665,7 +665,7 @@ int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock, if (msg_data == NULL) return -ENOMEM; - if (memcpy_fromiovec(msg_data, msg->msg_iov, len)) { + if (memcpy_from_msg(msg_data, msg, len)) { kfree(msg_data); return -EFAULT; } @@ -731,7 +731,7 @@ int nfc_llcp_send_ui_frame(struct nfc_llcp_sock *sock, u8 ssap, u8 dsap, if (msg_data == NULL) return -ENOMEM; - if (memcpy_fromiovec(msg_data, msg->msg_iov, len)) { + if (memcpy_from_msg(msg_data, msg, len)) { kfree(msg_data); return -EFAULT; } diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c index 9d7d2b7ba5e4..373e138c0ab6 100644 --- a/net/nfc/rawsock.c +++ b/net/nfc/rawsock.c @@ -231,7 +231,7 @@ static int rawsock_sendmsg(struct kiocb *iocb, struct socket *sock, if (skb == NULL) return rc; - rc = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + rc = memcpy_from_msg(skb_put(skb, len), msg, len); if (rc < 0) { kfree_skb(skb); return rc; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 58af58026dd2..07ac95014ecb 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1676,7 +1676,7 @@ retry: if (len < hhlen) skb_reset_network_header(skb); } - err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + err = memcpy_from_msg(skb_put(skb, len), msg, len); if (err) goto out_free; goto retry; @@ -2446,8 +2446,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) len -= vnet_hdr_len; - err = memcpy_fromiovec((void *)&vnet_hdr, msg->msg_iov, - vnet_hdr_len); + err = memcpy_from_msg((void *)&vnet_hdr, msg, vnet_hdr_len); if (err < 0) goto out_unlock; diff --git a/net/phonet/datagram.c b/net/phonet/datagram.c index 0918bc21eae6..26054b4b467c 100644 --- a/net/phonet/datagram.c +++ b/net/phonet/datagram.c @@ -109,7 +109,7 @@ static int pn_sendmsg(struct kiocb *iocb, struct sock *sk, return err; skb_reserve(skb, MAX_PHONET_HEADER); - err = memcpy_fromiovec((void *)skb_put(skb, len), msg->msg_iov, len); + err = memcpy_from_msg((void *)skb_put(skb, len), msg, len); if (err < 0) { kfree_skb(skb); return err; diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 9cd069dfaf65..5d3f2b7507d4 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -1141,7 +1141,7 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk, return err; skb_reserve(skb, MAX_PHONET_HEADER + 3 + pn->aligned); - err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len); + err = memcpy_from_msg(skb_put(skb, len), msg, len); if (err < 0) goto outfree; diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index 9b600c20a7a3..43bac7c4dd9e 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -1121,7 +1121,7 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock, skb_reset_transport_header(skb); skb_put(skb, len); - err = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len); + err = memcpy_from_msg(skb_transport_header(skb), msg, len); if (err) { kfree_skb(skb); return err; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 9f32741abb1c..e49bccebb0cc 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1001,7 +1001,7 @@ no_mem: /* Helper to create ABORT with a SCTP_ERROR_USER_ABORT error. */ struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc, - const struct msghdr *msg, + struct msghdr *msg, size_t paylen) { struct sctp_chunk *retval; @@ -1018,7 +1018,7 @@ struct sctp_chunk *sctp_make_abort_user(const struct sctp_association *asoc, if (!payload) goto err_payload; - err = memcpy_fromiovec(payload, msg->msg_iov, paylen); + err = memcpy_from_msg(payload, msg, paylen); if (err < 0) goto err_copy; } diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index 59e785bfde65..d9149b68b9bc 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -1170,7 +1170,7 @@ static int x25_sendmsg(struct kiocb *iocb, struct socket *sock, skb_reset_transport_header(skb); skb_put(skb, len); - rc = memcpy_fromiovec(skb_transport_header(skb), msg->msg_iov, len); + rc = memcpy_from_msg(skb_transport_header(skb), msg, len); if (rc) goto out_kfree_skb; -- cgit v1.2.3 From 7eab8d9e8a722ca07bc785f73e21c3d3418defa6 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 6 Apr 2014 21:51:23 -0400 Subject: new helper: memcpy_to_msg() Signed-off-by: Al Viro --- crypto/algif_hash.c | 2 +- include/linux/skbuff.h | 5 +++++ net/caif/caif_socket.c | 2 +- net/can/bcm.c | 2 +- net/can/raw.c | 2 +- net/decnet/af_decnet.c | 2 +- net/ipv4/tcp.c | 2 +- net/irda/af_irda.c | 2 +- net/packet/af_packet.c | 3 +-- 9 files changed, 13 insertions(+), 9 deletions(-) (limited to 'net/ipv4') diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 850246206b12..35c93ff11f35 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -174,7 +174,7 @@ static int hash_recvmsg(struct kiocb *unused, struct socket *sock, goto unlock; } - err = memcpy_toiovec(msg->msg_iov, ctx->result, len); + err = memcpy_to_msg(msg, ctx->result, len); unlock: release_sock(sk); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 97dc5f8123b3..d048347a010a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2692,6 +2692,11 @@ static inline int memcpy_from_msg(void *data, struct msghdr *msg, int len) return memcpy_fromiovec(data, msg->msg_iov, len); } +static inline int memcpy_to_msg(struct msghdr *msg, void *data, int len) +{ + return memcpy_toiovec(msg->msg_iov, data, len); +} + struct skb_checksum_ops { __wsum (*update)(const void *mem, int len, __wsum wsum); __wsum (*combine)(__wsum csum, __wsum csum2, int offset, int len); diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 230f14026c11..ac618b0b8a4f 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -418,7 +418,7 @@ unlock: } release_sock(sk); chunk = min_t(unsigned int, skb->len, size); - if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) { + if (memcpy_to_msg(msg, skb->data, chunk)) { skb_queue_head(&sk->sk_receive_queue, skb); if (copied == 0) copied = -EFAULT; diff --git a/net/can/bcm.c b/net/can/bcm.c index b9a1f715df18..01671187e3fe 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1555,7 +1555,7 @@ static int bcm_recvmsg(struct kiocb *iocb, struct socket *sock, if (skb->len < size) size = skb->len; - err = memcpy_toiovec(msg->msg_iov, skb->data, size); + err = memcpy_to_msg(msg, skb->data, size); if (err < 0) { skb_free_datagram(sk, skb); return err; diff --git a/net/can/raw.c b/net/can/raw.c index 0e4004fb6876..dfdcffbb1070 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -750,7 +750,7 @@ static int raw_recvmsg(struct kiocb *iocb, struct socket *sock, else size = skb->len; - err = memcpy_toiovec(msg->msg_iov, skb->data, size); + err = memcpy_to_msg(msg, skb->data, size); if (err < 0) { skb_free_datagram(sk, skb); return err; diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index e2e2e3cb9113..810228646de3 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -1760,7 +1760,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock, if ((chunk + copied) > size) chunk = size - copied; - if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) { + if (memcpy_to_msg(msg, skb->data, chunk)) { rv = -EFAULT; break; } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index c239f4740d10..435443bfc3c3 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1349,7 +1349,7 @@ static int tcp_recv_urg(struct sock *sk, struct msghdr *msg, int len, int flags) if (len > 0) { if (!(flags & MSG_TRUNC)) - err = memcpy_toiovec(msg->msg_iov, &c, 1); + err = memcpy_to_msg(msg, &c, 1); len = 1; } else msg->msg_flags |= MSG_TRUNC; diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 9052462cf42a..568edc72d737 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -1466,7 +1466,7 @@ static int irda_recvmsg_stream(struct kiocb *iocb, struct socket *sock, } chunk = min_t(unsigned int, skb->len, size); - if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) { + if (memcpy_to_msg(msg, skb->data, chunk)) { skb_queue_head(&sk->sk_receive_queue, skb); if (copied == 0) copied = -EFAULT; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 07ac95014ecb..108d7f381b87 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2949,8 +2949,7 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock, vnet_hdr.flags = VIRTIO_NET_HDR_F_DATA_VALID; } /* else everything is zero */ - err = memcpy_toiovec(msg->msg_iov, (void *)&vnet_hdr, - vnet_hdr_len); + err = memcpy_to_msg(msg, (void *)&vnet_hdr, vnet_hdr_len); if (err < 0) goto out_free; } -- cgit v1.2.3