[PATCH] perf tools:remove unneeded variable from perf_event_attr__fprintf()

[baomingtong001]

fix the following coccicheck warning:

tools/perf/util/perf_event_attr_fprintf.c:97:5-8: Unneeded variable: 
"ret". Return "0".

Signed-off-by: Mingtong Bao <baomingtong001@xxxxxxxxxx>
---
 tools/perf/util/perf_event_attr_fprintf.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/util/perf_event_attr_fprintf.c 
b/tools/perf/util/perf_event_attr_fprintf.c
index 7e5e7b30510d..4a8f625b80c7 100644
--- a/tools/perf/util/perf_event_attr_fprintf.c
+++ b/tools/perf/util/perf_event_attr_fprintf.c
@@ -94,7 +94,6 @@ int perf_event_attr__fprintf(FILE *fp, struct 
perf_event_attr *attr,
                  attr__fprintf_f attr__fprintf, void *priv)
 {
     char buf[BUF_SIZE];
-    int ret = 0;

     PRINT_ATTRf(type, p_unsigned);
     PRINT_ATTRf(size, p_unsigned);
@@ -155,5 +154,5 @@ int perf_event_attr__fprintf(FILE *fp, struct 
perf_event_attr *attr,
     PRINT_ATTRf(aux_sample_size, p_unsigned);
     PRINT_ATTRf(sig_data, p_unsigned);

-    return ret;
+    return 0;
 }