提交 f3054c77 编写于 作者: U Ulrich Drepper 提交者: Arnaldo Carvalho de Melo

perf tools: Cleanup realloc use

The if branch is completely unnecessary since 'realloc' handles NULL
pointers for the first parameter.

This is really only a cleanup and submitted mainly to prevent
proliferation of bad practices.
Signed-off-by: NUlrich Drepper <drepper@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/201204231304.q3ND4TFe020805@drepperk.user.openhosting.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 a385ec4f
......@@ -31,21 +31,16 @@ static const char **header_argv;
int perf_header__push_event(u64 id, const char *name)
{
struct perf_trace_event_type *nevents;
if (strlen(name) > MAX_EVENT_NAME)
pr_warning("Event %s will be truncated\n", name);
if (!events) {
events = malloc(sizeof(struct perf_trace_event_type));
if (events == NULL)
return -ENOMEM;
} else {
struct perf_trace_event_type *nevents;
nevents = realloc(events, (event_count + 1) * sizeof(*events));
if (nevents == NULL)
return -ENOMEM;
events = nevents;
nevents = realloc(events, (event_count + 1) * sizeof(*events));
if (nevents == NULL)
return -ENOMEM;
events = nevents;
}
memset(&events[event_count], 0, sizeof(struct perf_trace_event_type));
events[event_count].event_id = id;
strncpy(events[event_count].name, name, MAX_EVENT_NAME - 1);
......
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