Check send buffer instead of receive buffer size when calling channel_poll().

diff --git a/src/meshlink.c b/src/meshlink.c
index a5bf2c90ac3f6f33916d8eafceadb98a24f56ebd..f425b4b2f2bad692fd3030673dfe63b4c4056056 100644 (file)
--- a/src/meshlink.c
+++ b/src/meshlink.c
@@ -4515,7 +4515,7 @@ bool meshlink_channel_aio_send(meshlink_handle_t *mesh, meshlink_channel_t *chan
 
        /* Ensure the poll callback is set, and call it right now to push data if possible */
        utcp_set_poll_cb(channel->c, channel_poll);
-       size_t todo = MIN(len, utcp_get_rcvbuf_free(channel->c));
+       size_t todo = MIN(len, utcp_get_sndbuf_free(channel->c));
 
        if(todo) {
                channel_poll(channel->c, todo);
@@ -4560,7 +4560,7 @@ bool meshlink_channel_aio_fd_send(meshlink_handle_t *mesh, meshlink_channel_t *c
 
        /* Ensure the poll callback is set, and call it right now to push data if possible */
        utcp_set_poll_cb(channel->c, channel_poll);
-       size_t left = utcp_get_rcvbuf_free(channel->c);
+       size_t left = utcp_get_sndbuf_free(channel->c);
 
        if(left) {
                channel_poll(channel->c, left);