[PATCH v3 8/9] perf mem: Return NULL for event 'ldst' on PowerPC

[Leo Yan]

If user specifies event type "ldst", PowerPC's perf_mem_events__name()
will wrongly return the store event name "cpu/mem-stores/".

This patch changes to return NULL for the event "ldst" on PowerPC.

Signed-off-by: Leo Yan <leo....@linaro.org>
---
 tools/perf/arch/powerpc/util/mem-events.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/arch/powerpc/util/mem-events.c 
b/tools/perf/arch/powerpc/util/mem-events.c
index 07fb5e049488..90c5a0760685 100644
--- a/tools/perf/arch/powerpc/util/mem-events.c
+++ b/tools/perf/arch/powerpc/util/mem-events.c
@@ -7,6 +7,8 @@ char *perf_mem_events__name(int i)
 {
        if (i == PERF_MEM_EVENTS__LOAD)
                return (char *) "cpu/mem-loads/";
-
-       return (char *) "cpu/mem-stores/";
+       else if (i == PERF_MEM_EVENTS__STORE)
+               return (char *) "cpu/mem-stores/";
+       else
+               return NULL;
 }
-- 
2.17.1