netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Al Viro <viro@ZenIV.linux.org.uk>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: [PATCH v3 07/18] ip: stash a pointer to msghdr in struct ping_fakehdr
Date: Wed,  4 Feb 2015 06:39:58 +0000	[thread overview]
Message-ID: <1423032009-18367-7-git-send-email-viro@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20150204063730.GG29656@ZenIV.linux.org.uk>

From: Al Viro <viro@zeniv.linux.org.uk>

... instead of storing its ->mgs_iter.iov there

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 include/net/ping.h | 2 +-
 net/ipv4/ping.c    | 7 +++----
 net/ipv6/ping.c    | 3 +--
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/include/net/ping.h b/include/net/ping.h
index f074060..cc16d41 100644
--- a/include/net/ping.h
+++ b/include/net/ping.h
@@ -59,7 +59,7 @@ extern struct pingv6_ops pingv6_ops;
 
 struct pingfakehdr {
 	struct icmphdr icmph;
-	struct iovec *iov;
+	struct msghdr *msg;
 	sa_family_t family;
 	__wsum wcheck;
 };
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 2a3720f..9e15ba7 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -602,14 +602,14 @@ int ping_getfrag(void *from, char *to,
 		if (fraglen < sizeof(struct icmphdr))
 			BUG();
 		if (csum_partial_copy_fromiovecend(to + sizeof(struct icmphdr),
-			    pfh->iov, 0, fraglen - sizeof(struct icmphdr),
+			    pfh->msg->msg_iter.iov, 0, fraglen - sizeof(struct icmphdr),
 			    &pfh->wcheck))
 			return -EFAULT;
 	} else if (offset < sizeof(struct icmphdr)) {
 			BUG();
 	} else {
 		if (csum_partial_copy_fromiovecend
-				(to, pfh->iov, offset - sizeof(struct icmphdr),
+				(to, pfh->msg->msg_iter.iov, offset - sizeof(struct icmphdr),
 				 fraglen, &pfh->wcheck))
 			return -EFAULT;
 	}
@@ -811,8 +811,7 @@ back_from_confirm:
 	pfh.icmph.checksum = 0;
 	pfh.icmph.un.echo.id = inet->inet_sport;
 	pfh.icmph.un.echo.sequence = user_icmph.un.echo.sequence;
-	/* XXX: stripping const */
-	pfh.iov = (struct iovec *)msg->msg_iter.iov;
+	pfh.msg = msg;
 	pfh.wcheck = 0;
 	pfh.family = AF_INET;
 
diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c
index 2d31483..bd46f73 100644
--- a/net/ipv6/ping.c
+++ b/net/ipv6/ping.c
@@ -163,8 +163,7 @@ int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	pfh.icmph.checksum = 0;
 	pfh.icmph.un.echo.id = inet->inet_sport;
 	pfh.icmph.un.echo.sequence = user_icmph.icmp6_sequence;
-	/* XXX: stripping const */
-	pfh.iov = (struct iovec *)msg->msg_iter.iov;
+	pfh.msg = msg;
 	pfh.wcheck = 0;
 	pfh.family = AF_INET6;
 
-- 
2.1.4

  parent reply	other threads:[~2015-02-04  6:40 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-31  3:55 [RFC][PATCHSET] more iov_iter conversion in net/* Al Viro
2015-01-31  3:56 ` [PATCH 01/18] netlink: make the check for "send from tx_ring" deterministic Al Viro
2015-01-31  3:56 ` [PATCH 02/18] raw_send_hdrinc(): pass msghdr Al Viro
2015-01-31  3:56 ` [PATCH 03/18] rawv6_send_hdrinc(): " Al Viro
2015-01-31  3:56 ` [PATCH 04/18] propagate msghdr all way down to __qp_memcpy_to_queue() Al Viro
2015-01-31  3:56 ` [PATCH 05/18] switch rxrpc_send_data() to iov_iter primitives Al Viro
2015-01-31  3:56 ` [PATCH 06/18] make the users of rxrpc_kernel_send_data() set kvec-backed msg_iter properly Al Viro
2015-01-31  3:56 ` [PATCH 07/18] stash a pointer to msghdr in struct ping_fakehdr Al Viro
2015-01-31  3:56 ` [PATCH 08/18] convert tcp_sendmsg() to iov_iter primitives Al Viro
2015-01-31  3:56 ` [PATCH 09/18] switch memcpy_fromiovec()/memcpy_fromiovecend() users to copy_from_iter() Al Viro
2015-01-31  3:56 ` [PATCH 10/18] tipc ->sendmsg() conversion Al Viro
2015-01-31  3:56 ` [PATCH 11/18] bury net/core/iovec.c - nothing in there is used anymore Al Viro
2015-01-31  3:56 ` [PATCH 12/18] switch af_alg_make_sg() to iov_iter Al Viro
2015-01-31  3:56 ` [PATCH 13/18] net/socket.c: fold do_sock_{read,write} into callers Al Viro
2015-01-31  3:56 ` [PATCH 14/18] switch sockets to ->read_iter/->write_iter Al Viro
2015-01-31  3:56 ` [PATCH 15/18] switch vhost get_indirect() to iov_iter, kill memcpy_fromiovec() Al Viro
2015-01-31  3:56 ` [PATCH 16/18] vhost: don't bother with copying iovec in handle_tx() Al Viro
2015-01-31  3:56 ` [PATCH 17/18] vhost: don't bother copying iovecs in handle_rx(), kill memcpy_toiovecend() Al Viro
2015-01-31  3:56 ` [PATCH 18/18] vhost: vhost_scsi_handle_vq() should just use copy_from_user() Al Viro
2015-01-31  4:03 ` [RFC][PATCHSET] more iov_iter conversion in net/* Al Viro
2015-02-02  6:26 ` David Miller
2015-02-02  6:53   ` Al Viro
2015-02-02  7:05     ` David Miller
2015-02-02  8:01     ` Al Viro
2015-02-02  7:59 ` [PATCH v2 01/18] netlink: make the check for "send from tx_ring" deterministic Al Viro
2015-02-02 13:14   ` Sergei Shtylyov
2015-02-04  0:21     ` David Miller
2015-02-04  6:37       ` Al Viro
2015-02-04  6:39         ` [PATCH v3 " Al Viro
2015-02-04  6:39         ` [PATCH v3 02/18] ipv4: raw_send_hdrinc(): pass msghdr Al Viro
2015-02-04  6:39         ` [PATCH v3 03/18] ipv6: rawv6_send_hdrinc(): " Al Viro
2015-02-04  6:39         ` [PATCH v3 04/18] vmci: propagate msghdr all way down to __qp_memcpy_to_queue() Al Viro
2015-02-04  6:39         ` [PATCH v3 05/18] rxrpc: switch rxrpc_send_data() to iov_iter primitives Al Viro
2015-02-04  6:39         ` [PATCH v3 06/18] rxrpc: make the users of rxrpc_kernel_send_data() set kvec-backed msg_iter properly Al Viro
2015-02-04  6:39         ` Al Viro [this message]
2015-02-04  6:39         ` [PATCH v3 08/18] ip: convert tcp_sendmsg() to iov_iter primitives Al Viro
2015-02-04  6:40         ` [PATCH v3 09/18] net: switch memcpy_fromiovec()/memcpy_fromiovecend() users to copy_from_iter() Al Viro
2015-02-04  6:40         ` [PATCH v3 10/18] tipc: tipc ->sendmsg() conversion Al Viro
2015-02-04  6:40         ` [PATCH v3 11/18] net: bury net/core/iovec.c - nothing in there is used anymore Al Viro
2015-02-04  6:40         ` [PATCH v3 12/18] crypto: switch af_alg_make_sg() to iov_iter Al Viro
2015-02-09 13:33           ` Stephan Mueller
2015-02-09 17:28             ` Al Viro
2015-02-09 13:59           ` Stephan Mueller
2015-02-09 17:30             ` Al Viro
2015-02-04  6:40         ` [PATCH v3 13/18] net/socket.c: fold do_sock_{read,write} into callers Al Viro
2015-02-04  6:40         ` [PATCH v3 14/18] net: switch sockets to ->read_iter/->write_iter Al Viro
2015-02-04  6:40         ` [PATCH v3 15/18] vhost: switch vhost get_indirect() to iov_iter, kill memcpy_fromiovec() Al Viro
2015-02-04  8:52           ` Michael S. Tsirkin
2015-02-04  6:40         ` [PATCH v3 16/18] vhost: don't bother with copying iovec in handle_tx() Al Viro
2015-02-04  9:13           ` Michael S. Tsirkin
2015-02-04  6:40         ` [PATCH v3 17/18] vhost: don't bother copying iovecs in handle_rx(), kill memcpy_toiovecend() Al Viro
2015-02-04  8:52           ` Michael S. Tsirkin
2015-02-04  9:02           ` Michael S. Tsirkin
2015-02-04  6:40         ` [PATCH v3 18/18] vhost: vhost_scsi_handle_vq() should just use copy_from_user() Al Viro
2015-02-04  9:05           ` Michael S. Tsirkin
2015-02-02  7:59 ` [PATCH v2 02/18] ipv4: raw_send_hdrinc(): pass msghdr Al Viro
2015-02-02  7:59 ` [PATCH v2 03/18] ipv6: rawv6_send_hdrinc(): " Al Viro
2015-02-02  7:59 ` [PATCH v2 04/18] vmci: propagate msghdr all way down to __qp_memcpy_to_queue() Al Viro
2015-02-02  7:59 ` [PATCH v2 05/18] rxrpc: switch rxrpc_send_data() to iov_iter primitives Al Viro
2015-02-02  7:59 ` [PATCH v2 06/18] rxrpc: make the users of rxrpc_kernel_send_data() set kvec-backed msg_iter properly Al Viro
2015-02-02  7:59 ` [PATCH v2 07/18] ip: stash a pointer to msghdr in struct ping_fakehdr Al Viro
2015-02-02  7:59 ` [PATCH v2 08/18] ip: convert tcp_sendmsg() to iov_iter primitives Al Viro
2015-02-02  7:59 ` [PATCH v2 09/18] net: switch memcpy_fromiovec()/memcpy_fromiovecend() users to copy_from_iter() Al Viro
2015-02-02  7:59 ` [PATCH v2 10/18] tipc: tipc ->sendmsg() conversion Al Viro
2015-02-02  7:59 ` [PATCH v2 11/18] net: bury net/core/iovec.c - nothing in there is used anymore Al Viro
2015-02-02  7:59 ` [PATCH v2 12/18] crypto: switch af_alg_make_sg() to iov_iter Al Viro
2015-02-02  7:59 ` [PATCH v2 13/18] net/socket.c: fold do_sock_{read,write} into callers Al Viro
2015-02-02  7:59 ` [PATCH v2 14/18] net: switch sockets to ->read_iter/->write_iter Al Viro
2015-02-02  7:59 ` [PATCH v2 15/18] vhost: switch vhost get_indirect() to iov_iter, kill memcpy_fromiovec() Al Viro
2015-02-03  9:01   ` Michael S. Tsirkin
2015-02-02  7:59 ` [PATCH v2 16/18] vhost: don't bother with copying iovec in handle_tx() Al Viro
2015-02-03  9:14   ` Michael S. Tsirkin
2015-02-02  7:59 ` [PATCH v2 17/18] vhost: don't bother copying iovecs in handle_rx(), kill memcpy_toiovecend() Al Viro
2015-02-03  9:13   ` Michael S. Tsirkin
2015-02-03 10:04   ` Michael S. Tsirkin
2015-02-03 15:21     ` Michael S. Tsirkin
2015-02-03 22:13       ` Al Viro
2015-02-02  7:59 ` [PATCH v2 18/18] vhost: vhost_scsi_handle_vq() should just use copy_from_user() Al Viro
2015-02-03  0:42   ` Nicholas A. Bellinger
2015-02-03  9:05   ` Michael S. Tsirkin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1423032009-18367-7-git-send-email-viro@ZenIV.linux.org.uk \
    --to=viro@zeniv.linux.org.uk \
    --cc=davem@davemloft.net \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).