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This reverts commit f699bd81e8e18da2d2fc11e7fb7dce95f8bb3f9e (#22063)
We should suppress the TSC data when we generate it if we assume its
invalid, not when we consume it, because at that point we don't even
know if the data stems from TSC or something else.
If the query get CNAME or DNAME, then the query will be restarted.
Even in that case, previously, the event source was freed and allocated
again. Let's slightly optimize it.
Fortunately, unlike the issue fixed in the previous commit, the memleak
should be superficial and not become apparent, as the queries handled
here are managed by the stub stream, and will be freed when the stream
is closed.
Just for safety, and slightly reducing the runtime memory usage by the
stub stream.
When stub stream is closed early, then queries associated to the stream
are freed. Previously, the timer event source for queries may not be
disabled, hence may be triggered with already freed query.
See also dns_stub_stream_complete().
Note that we usually not set NULL or zero when freeing simple objects.
But, here DnsQuery is large and complicated object, and the element may
be referenced in subsequent freeing process in the future. Hence, for
safety, let's set NULL to the pointer.
This is a follow up to 29f4185a9cdc ("oomd: Dump top offenders after a
kill action") to clean up the code a bit for review comments that
happened after the code had been merged already.
Coverity (and I, initially) get really confused about "fn"'s validity
here. it doesn't grok that free_and_strdup() is actually a NOP in case
the string isn't changed, and assumes it always invalidates the
specified buffer, which it doesn't do though.
Follow-up for: f4b1a6b6419b771d26342a9b75b1d77ee9d90133
Fixes an assertion failure "pd->type == SD_DHCP6_OPTION_IA_PD" in dhcp6_option_append_pd().
Something similar was done in commit 26a63b81322a ('sd-dhcp6-client: Fix
sending prefix delegation request (#17136)'). The justification is
probably the same.
In D-Bus, clients connect to a bus (the usual case), or use direct
questions to each other (the unusual case). A bus is a program one can
connect to and implemented by dbus-daemon or dbus-broker. HOwever,
busses never connect between each other, that doesn't exist. Hence don't
claim so.
This is probably confusion about the fact that sd-bus calls D-Bus
connection objects just "sd_bus" for simplicity, given they are used in
99% of the cases to connect to a bus — only in exceptional cases they
are used for direct connections between peers without involving a bus.
Follow-up for b7bb58ef70b0c876941a1c31ed4e2f5f1dc5ed0e
This basically reverts #22079.
Stopping the watchdog is wrong. The reboot watchdog is supposed to cover
the whole time from the point when systemd start systemd-reboot until the
hardware resets.
Otherwise the system may hang in the final shutdown phase.
Add a comment, why keeping the watchdog running is correct here.
If watchdog_set_device() is not called before open_watchdog() then
'watchdog_device' remains 'NULL' while the device is open.
As a result, the "same device" check in watchdog_set_device() does not work
correctly: If no device is specified (e.g. from watchdog_free_device())
then the current fd is not closed.
Fix this by setting 'watchdog_device' to the correct device during
open_watchdog()
Since a long time the D-Bus spec knows a special bit in its message
header for indicating that "interactive" authentication is OK. The
original hostnamed API is before that was added hence most functions
expose that boolean as explicit argument.
For new added functions let's get rid of it, the message flag is good
enough and replaces it with complete functionality.
No new APIs should carry the "interactive" boolean flag explicitly as
argument anymore.
Follow-up for: 9697662915e47a4797b05003cb1970fe2b01e530
The warning is correct, since we don't inherit the necessary
unittest.TestCase class, but that's on purpose, since the Utilities
class is not supposed to be instantiated on its own, but should
complement other classes' definitions which do inherit from the
unittest.TestCase class.
It currently works because `\(` and `\)` are not valid escape sequences,
so they're not treated differently. Using raw strings (or double
backslashes) is a more correct solution.
Multiline comments are converted to docstrings only when they're the
first statement in a function/method. Even though they're still a no-op
otherwise, let's use "true" comments to make pylint happy.