From 70b06526971e59a6fd5020dee0425ed88af7c6f9 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Sat, 27 Nov 2021 21:01:27 +0900 Subject: [PATCH] network: route: route->link may be NULL Fixes #21544. --- src/network/networkd-route.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c index 1b3bea98f6d..623b962c232 100644 --- a/src/network/networkd-route.c +++ b/src/network/networkd-route.c @@ -981,15 +981,19 @@ void link_foreignize_routes(Link *link) { static int route_expire_handler(sd_event_source *s, uint64_t usec, void *userdata) { Route *route = userdata; + Link *link; int r; assert(route); - assert(route->link); + assert(route->manager || (route->link && route->link->manager)); + + link = route->link; /* This may be NULL. */ r = route_remove(route); if (r < 0) { - log_link_warning_errno(route->link, r, "Could not remove route: %m"); - link_enter_failed(route->link); + log_link_warning_errno(link, r, "Could not remove route: %m"); + if (link) + link_enter_failed(link); } return 1; -- 2.47.3