fix behaviour during sysupgrade

[project/procd.git] / hotplug.c

diff --git a/hotplug.c b/hotplug.c
index 6583de46b0409273c8f194eeade4a3a295eba374..f7e2ce9767befbeeef6c2e8dc36d5ae2c05a4a59 100644 (file)
--- a/hotplug.c
+++ b/hotplug.c
@@ -422,13 +422,11 @@ void hotplug(char *rules)
        nls.nl_groups = -1;
 
        if ((hotplug_fd.fd = socket(PF_NETLINK, SOCK_DGRAM | SOCK_CLOEXEC, NETLINK_KOBJECT_UEVENT)) == -1) {
-               ERROR("Failed to open hotplug socket\n");
-               perror("socket");
+               ERROR("Failed to open hotplug socket: %s\n", strerror(errno));
                exit(1);
        }
        if (bind(hotplug_fd.fd, (void *)&nls, sizeof(struct sockaddr_nl))) {
-               ERROR("Failed to bind hotplug socket\n");
-               perror("socket");
+               ERROR("Failed to bind hotplug socket: %s\n", strerror(errno));
                exit(1);
        }
 
@@ -436,3 +434,9 @@ void hotplug(char *rules)
        queue_proc.cb = queue_proc_cb;
        uloop_fd_add(&hotplug_fd, ULOOP_READ);
 }
+
+void hotplug_shutdown(void)
+{
+       uloop_fd_delete(&hotplug_fd);
+       close(hotplug_fd.fd);
+}