diff options
| author |   John Fastabend <john.fastabend@gmail.com> | 2017-08-15 22:30:47 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-08-16 11:27:52 -0700 |
| commit | f26de110f4f1d8d2490d1f9f003d5abbde030f03 (patch) | |
| tree | 32fc03dceb672f28fb7f098799d92451ae817681 /net/strparser | |
| parent | net: 3c509: constify pnp_device_id (diff) | |
| download | linux-dev-f26de110f4f1d8d2490d1f9f003d5abbde030f03.tar.xz linux-dev-f26de110f4f1d8d2490d1f9f003d5abbde030f03.zip | |
net: early init support for strparser
It is useful to allow strparser to init sockets before the read_sock
callback has been established.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/strparser')
| -rw-r--r-- | net/strparser/strparser.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c index 0d18fbc6f870..434aa6637a52 100644 --- a/net/strparser/strparser.c +++ b/net/strparser/strparser.c @@ -373,6 +373,9 @@ static int strp_read_sock(struct strparser *strp) struct socket *sock = strp->sk->sk_socket; read_descriptor_t desc; + if (unlikely(!sock || !sock->ops || !sock->ops->read_sock)) + return -EBUSY; + desc.arg.data = strp; desc.error = 0; desc.count = 1; /* give more than one skb per call */ @@ -486,12 +489,7 @@ int strp_init(struct strparser *strp, struct sock *sk, * The upper layer calls strp_process for each skb to be parsed. */ - if (sk) { - struct socket *sock = sk->sk_socket; - - if (!sock->ops->read_sock || !sock->ops->peek_len) - return -EAFNOSUPPORT; - } else { + if (!sk) { if (!cb->lock || !cb->unlock) return -EINVAL; } |