[PATCH] tools:perf: Remove Unneeded variable

[cgel . zte]

From: chiminghao <chi.minghao@xxxxxxxxxx>

Fix the following coccicheck review:
./tools/perf/builtin-trace.c: Remove Unneeded variable

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: chiminghao <chi.minghao@xxxxxxxxxx>
---
 tools/perf/builtin-trace.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 624ea12ce5ca..4d5106877fcd 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2967,7 +2967,6 @@ static int trace__process_sample(struct perf_tool *tool,
 {
 	struct trace *trace = container_of(tool, struct trace, tool);
 	struct thread *thread;
-	int err = 0;
 
 	tracepoint_handler handler = evsel->handler;
 
@@ -2983,7 +2982,7 @@ static int trace__process_sample(struct perf_tool *tool,
 	}
 out:
 	thread__put(thread);
-	return err;
+	return 0;
 }
 
 static int trace__record(struct trace *trace, int argc, const char **argv)
-- 
2.25.1