Fix file descriptor leakage when closing PPP recording

diff --git a/gatchat/gatppp.c b/gatchat/gatppp.c
index b98ab14..259fdeb 100644 (file)
--- a/gatchat/gatppp.c
+++ b/gatchat/gatppp.c
@@ -536,8 +536,10 @@ void g_at_ppp_set_recording(GAtPPP *ppp, const char *filename)
        if (ppp == NULL)
                return;
 
-       if (ppp->record_fd > fileno(stderr))
+       if (ppp->record_fd > fileno(stderr)) {
                close(ppp->record_fd);
+               ppp->record_fd = -1;
+       }
 
        if (filename == NULL)
                return;