Zbigniew Jędrzejewski-Szmek
41733186c4
With gcc-14.0.1-0.13.fc40, when compiling with -O2, the compiler doesn't understand
that sd_bus_error_setf() always returns negative on error when <name> is provided:
[28/576] Compiling C object systemd-resolved.p/src_resolve_resolved-bus.c.o
../src/resolve/resolved-bus.c: In function ‘call_link_method’:
../src/resolve/resolved-bus.c:1763:16: warning: ‘l’ may be used uninitialized [-Wmaybe-uninitialized]
1763 | return handler(message, l, error);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
../src/resolve/resolved-bus.c:1749:15: note: ‘l’ was declared here
1749 | Link *l;
| ^
../src/resolve/resolved-bus.c: In function ‘bus_method_get_link’:
../src/resolve/resolved-bus.c:1822:13: warning: ‘l’ may be used uninitialized [-Wmaybe-uninitialized]
1822 | p = link_bus_path(l);
| ^~~~~~~~~~~~~~~~
../src/resolve/resolved-bus.c:1810:15: note: ‘l’ was declared here
1810 | Link *l;
| ^
...
Let's make the assertion a bit more explicit. With this, the warning goes away,
but I think it's more obvious to a human reader too.
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