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bus: in bus_foreach_bus() don't bother with api_bus if it is NULL

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Let's better be safe than sorry, and validate that api_bus is not NULL
before we send messages to it. Of course, strictly speaking this
shouldn't actually be necessary, as the tracker object should not exist
without the bus, but let's be extra sure.
This commit is contained in:
Lennart Poettering 2018-02-07 22:44:18 +01:00
parent dfeff66499
commit 6edd281cb8
1 changed files with 3 additions and 2 deletions
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5
src/core/dbus.c
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@ -1204,8 +1204,9 @@ int bus_foreach_bus(
} }
/* Send to API bus, but only if somebody is subscribed */ /* Send to API bus, but only if somebody is subscribed */
if (sd_bus_track_count(m->subscribed) > 0 || if (m->api_bus &&
sd_bus_track_count(subscribed2) > 0) { (sd_bus_track_count(m->subscribed) > 0 ||
sd_bus_track_count(subscribed2) > 0)) {
r = send_message(m->api_bus, userdata); r = send_message(m->api_bus, userdata);
if (r < 0) if (r < 0)
ret = r; ret = r;