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perf machine: Destructors should accept NULL

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And do nothing, just like free(), to avoid having to test it in callers,
usually in error paths.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-q42gj3b3znhho9z1mrbo4jce@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-06-22 10:19:11 -03:00
parent 61b3f66a3f
commit 32ca678dcd
2 changed files with 6 additions and 6 deletions
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2
tools/perf/util/machine.c
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@ -138,8 +138,10 @@ void machine__exit(struct machine *machine)
void machine__delete(struct machine *machine)
{
if (machine) {
machine__exit(machine);
free(machine);
}
}
void machines__init(struct machines *machines)

2
tools/perf/util/probe-event.c
View File

@ -102,10 +102,8 @@ out:
void exit_probe_symbol_maps(void)
{
if (host_machine) {
machine__delete(host_machine);
host_machine = NULL;
}
symbol__exit();
}