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network: route: route->link may be NULL

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Fixes #21544.
This commit is contained in:
Yu Watanabe
2021-11-27 13:48:02 +00:00
committed by Luca Boccassi
parent f000edf9ea
commit 70b0652697
1 changed files with 7 additions and 3 deletions
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src/network/networkd-route.c
+7 -3
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@@ -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;