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Merge branch 'sockmap-fixes'

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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>
This commit is contained in:
Alexei Starovoitov 2018-08-08 12:06:18 -07:00
commit bf9bae0ea6
2 changed files with 7 additions and 4 deletions
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9
kernel/bpf/sockmap.c
View File

@ -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)

2
tools/testing/selftests/bpf/test_sockmap.c
View File

@ -354,7 +354,7 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
while (s->bytes_recvd < total_bytes) {
if (txmsg_cork) {
timeout.tv_sec = 0;
timeout.tv_usec = 1000;
timeout.tv_usec = 300000;
} else {
timeout.tv_sec = 1;
timeout.tv_usec = 0;