dhcpv6: fix handling of infinite lifetimes

[project/odhcpd.git] / src / config.c

diff --git a/src/config.c b/src/config.c
index 5fbb921..9dbe7f0 100644 (file)
--- a/src/config.c
+++ b/src/config.c
@@ -683,9 +683,10 @@ void odhcpd_reload(void)
 static void handle_signal(int signal)
 {
        char b[1] = {0};
-       if (signal == SIGHUP)
-               write(reload_pipe[1], b, sizeof(b));
-       else
+
+       if (signal == SIGHUP) {
+               if (write(reload_pipe[1], b, sizeof(b)) < 0) {}
+       } else
                uloop_end();
 }
 
@@ -694,7 +695,7 @@ static void handle_signal(int signal)
 static void reload_cb(struct uloop_fd *u, _unused unsigned int events)
 {
        char b[512];
-       read(u->fd, b, sizeof(b));
+       if (read(u->fd, b, sizeof(b) < 0)) {}
        odhcpd_reload();
 }
 
@@ -702,7 +703,7 @@ static struct uloop_fd reload_fd = { .cb = reload_cb };
 
 void odhcpd_run(void)
 {
-       pipe2(reload_pipe, O_NONBLOCK | O_CLOEXEC);
+       if (pipe2(reload_pipe, O_NONBLOCK | O_CLOEXEC) < 0) {}
        reload_fd.fd = reload_pipe[0];
        uloop_fd_add(&reload_fd, ULOOP_READ);