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authorShawn Landden <shawn@churchofgit.com>2013-11-24 22:36:28 -0800
committerDavid S. Miller <davem@davemloft.net>2013-11-29 16:32:54 -0500
commitd3f7d56a7a4671d395e8af87071068a195257bf6 (patch)
tree4c76149ebe359812028538bebc5f5dff8f0760a7 /crypto/algif_hash.c
parent85493e6dd42dcaf0eaf0a19f12f1295e35cc3b7f (diff)
downloadlinux-d3f7d56a7a4671d395e8af87071068a195257bf6.tar.gz
net: update consumers of MSG_MORE to recognize MSG_SENDPAGE_NOTLAST
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@google.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: <stable@vger.kernel.org> # 3.4.x + 3.2.x
Reported-and-tested-by: Shawn Landden <shawnlandden@gmail.com>
Original-patch: Richard Weinberger <richard@nod.at>
Signed-off-by: Shawn Landden <shawn@churchofgit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/algif_hash.c')
-rw-r--r--crypto/algif_hash.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index ef5356cd280a..850246206b12 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -114,6 +114,9 @@ static ssize_t hash_sendpage(struct socket *sock, struct page *page,
 	struct hash_ctx *ctx = ask->private;
 	int err;
 
+	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);