From: Ravi Bangoria ravi.bangoria@linux.vnet.ibm.com
[ Upstream commit f0a30dca5f84fe8048271799b56677ac2279de66 ]
'*ntevs' contains number of elements present in 'tevs' array. If there are no elements in array, 'tevs2' can be directly assigned to 'tevs' without allocating more space. So the condition should be '*ntevs == 0' not 'ntevs == 0'.
Signed-off-by: Ravi Bangoria ravi.bangoria@linux.vnet.ibm.com Acked-by: Masami Hiramatsu mhiramat@kernel.org Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Peter Zijlstra peterz@infradead.org Fixes: 42bba263eb58 ("perf probe: Allow wildcard for cached events") Link: http://lkml.kernel.org/r/20170308065908.4128-1-ravi.bangoria@linux.vnet.ibm.... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- tools/perf/util/probe-event.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 6a6f44dd594b..4d2e22f8bd94 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -3060,7 +3060,7 @@ concat_probe_trace_events(struct probe_trace_event **tevs, int *ntevs, struct probe_trace_event *new_tevs; int ret = 0;
- if (ntevs == 0) { + if (*ntevs == 0) { *tevs = *tevs2; *ntevs = ntevs2; *tevs2 = NULL;