Patch "net: update consumers of MSG_MORE to recognize MSG_SENDPAGE_NOTLAST" has been added to the 3.12-stable tree

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This is a note to let you know that I've just added the patch titled

    net: update consumers of MSG_MORE to recognize MSG_SENDPAGE_NOTLAST

to the 3.12-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     net-update-consumers-of-msg_more-to-recognize-msg_sendpage_notlast.patch
and it can be found in the queue-3.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From d3f7d56a7a4671d395e8af87071068a195257bf6 Mon Sep 17 00:00:00 2001
From: Shawn Landden <shawn@xxxxxxxxxxxxxxx>
Date: Sun, 24 Nov 2013 22:36:28 -0800
Subject: net: update consumers of MSG_MORE to recognize MSG_SENDPAGE_NOTLAST

From: Shawn Landden <shawn@xxxxxxxxxxxxxxx>

commit d3f7d56a7a4671d395e8af87071068a195257bf6 upstream.

Commit 35f9c09fe (tcp: tcp_sendpages() should call tcp_push() once)
added an internal flag MSG_SENDPAGE_NOTLAST, similar to
MSG_MORE.

algif_hash, algif_skcipher, and udp used MSG_MORE from tcp_sendpages()
and need to see the new flag as identical to MSG_MORE.

This fixes sendfile() on AF_ALG.

v3: also fix udp

Cc: Tom Herbert <therbert@xxxxxxxxxx>
Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Reported-and-tested-by: Shawn Landden <shawnlandden@xxxxxxxxx>
Original-patch: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Shawn Landden <shawn@xxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 crypto/algif_hash.c     |    3 +++
 crypto/algif_skcipher.c |    3 +++
 net/ipv4/udp.c          |    3 +++
 3 files changed, 9 insertions(+)

--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -117,6 +117,9 @@ static ssize_t hash_sendpage(struct sock
 	if (flags & MSG_SENDPAGE_NOTLAST)
 		flags |= MSG_MORE;
 
+	if (flags & MSG_SENDPAGE_NOTLAST)
+		flags |= MSG_MORE;
+
 	lock_sock(sk);
 	sg_init_table(ctx->sgl.sg, 1);
 	sg_set_page(ctx->sgl.sg, page, size, offset);
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -381,6 +381,9 @@ static ssize_t skcipher_sendpage(struct
 	if (flags & MSG_SENDPAGE_NOTLAST)
 		flags |= MSG_MORE;
 
+	if (flags & MSG_SENDPAGE_NOTLAST)
+		flags |= MSG_MORE;
+
 	lock_sock(sk);
 	if (!ctx->more && ctx->used)
 		goto unlock;
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1075,6 +1075,9 @@ int udp_sendpage(struct sock *sk, struct
 	if (flags & MSG_SENDPAGE_NOTLAST)
 		flags |= MSG_MORE;
 
+	if (flags & MSG_SENDPAGE_NOTLAST)
+		flags |= MSG_MORE;
+
 	if (!up->pending) {
 		struct msghdr msg = {	.msg_flags = flags|MSG_MORE };
 


Patches currently in stable-queue which might be from shawn@xxxxxxxxxxxxxxx are

queue-3.12/net-update-consumers-of-msg_more-to-recognize-msg_sendpage_notlast.patch
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