diff options
| author | Shawn Landden <shawn@churchofgit.com> | 2013-11-24 22:36:28 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-11-29 16:32:54 -0500 |
| commit | d3f7d56a7a4671d395e8af87071068a195257bf6 (patch) | |
| tree | 4c76149ebe359812028538bebc5f5dff8f0760a7 /crypto | |
| parent | 85493e6dd42dcaf0eaf0a19f12f1295e35cc3b7f (diff) | |
| download | lwn-d3f7d56a7a4671d395e8af87071068a195257bf6.tar.gz lwn-d3f7d56a7a4671d395e8af87071068a195257bf6.zip | |
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')
| -rw-r--r-- | crypto/algif_hash.c | 3 | ||||
| -rw-r--r-- | crypto/algif_skcipher.c | 3 |
2 files changed, 6 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); diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 6a6dfc062d2a..a19c027b29bd 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -378,6 +378,9 @@ static ssize_t skcipher_sendpage(struct socket *sock, struct page *page, struct skcipher_sg_list *sgl; int err = -EINVAL; + if (flags & MSG_SENDPAGE_NOTLAST) + flags |= MSG_MORE; + lock_sock(sk); if (!ctx->more && ctx->used) goto unlock; |