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| author | Alexei Starovoitov <ast@kernel.org> | 2018-08-08 12:06:18 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2018-08-08 12:06:18 -0700 |
| commit | bf9bae0ea6ec7013ef37b19fbbf29b62a35474fb (patch) | |
| tree | f9f065f65726c9f51b21051ea0c003fbaac5706d /kernel/bpf | |
| parent | 74682128c6e456b529b25b95ba807484ce58a753 (diff) | |
| parent | 3c6ed988fd8b66eec8e5ab2b624818865d2712ca (diff) | |
| download | linux-bf9bae0ea6ec7013ef37b19fbbf29b62a35474fb.tar.bz2 | |
Merge branch 'sockmap-fixes'
Daniel Borkmann says:
====================
Two sockmap fixes in bpf_tcp_sendmsg(), and one fix for the
sockmap kernel selftest. Thanks!
====================
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/sockmap.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c index 98fb7938beea..c4d75c52b4fc 100644 --- a/kernel/bpf/sockmap.c +++ b/kernel/bpf/sockmap.c @@ -1048,12 +1048,12 @@ static int bpf_tcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t size) timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); while (msg_data_left(msg)) { - struct sk_msg_buff *m; + struct sk_msg_buff *m = NULL; bool enospc = false; int copy; if (sk->sk_err) { - err = sk->sk_err; + err = -sk->sk_err; goto out_err; } @@ -1116,8 +1116,11 @@ wait_for_sndbuf: set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); wait_for_memory: err = sk_stream_wait_memory(sk, &timeo); - if (err) + if (err) { + if (m && m != psock->cork) + free_start_sg(sk, m); goto out_err; + } } out_err: if (err < 0) |