From: Ravi Bangoria <[email protected]>

'*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 <[email protected]>
Acked-by: Masami Hiramatsu <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Fixes: 42bba263eb58 ("perf probe: Allow wildcard for cached events")
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 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 b19d17801beb..6740d6812691 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -3048,7 +3048,7 @@ 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;
-- 
2.9.3

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