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net/local: fix server lc_waitsem overflow

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This commit is contained in:
Jussi Kivilinna 2017-09-01 07:47:29 -06:00 committed by Gregory Nutt
parent 068e663eec
commit 8042c96f09
1 changed files with 7 additions and 1 deletions
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8
net/local/local_connect.c
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@ -127,6 +127,7 @@ static int inline local_stream_connect(FAR struct local_conn_s *client,
bool nonblock)
{
int ret;
int sval;
/* Has server backlog been reached?
* NOTE: The backlog will be zero if listen() has never been called by the
@ -182,7 +183,12 @@ static int inline local_stream_connect(FAR struct local_conn_s *client,
dq_addlast(&client->lc_node, &server->u.server.lc_waiters);
client->lc_state = LOCAL_STATE_ACCEPT;
local_accept_pollnotify(server, POLLIN);
_local_semgive(&server->lc_waitsem);
if (sem_getvalue(&server->lc_waitsem, &sval) >= 0 && sval < 1)
{
_local_semgive(&server->lc_waitsem);
}
net_unlock();
/* Wait for the server to accept the connections */