ustream-fd: stop trying to read when s->read_blocked is set.

User's s->notify_read is called in ustream_fill_read().  If
s->read_blocked is set there, then stop reading more.

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

diff --git a/ustream-fd.c b/ustream-fd.c
index daef499..5ffca53 100644 (file)
--- a/ustream-fd.c
+++ b/ustream-fd.c
@@ -50,6 +50,9 @@ static void ustream_fd_read_pending(struct ustream_fd *sf, bool *more)
        char *buf;
 
        do {
+               if (s->read_blocked)
+                       break;
+
                buf = ustream_reserve(s, 1, &buflen);
                if (!buf)
                        break;