[PATCH] perf: delete unused variable tmp to fix new build warning

[Paul Gortmaker]

commit 3a497f48637e2aac17eabb84a17f8ac5216028fc [tip:perf/core]
("perf: Simplify perf_event_exit_task_context()") deleted the
code that was using tmp but not the declaration of it, causing:

kernel/events/core.c:7434:35: warning: unused variable âtmpâ [-Wunused-variable]

Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 49ac18c..244d70a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7432,7 +7432,7 @@ __perf_event_exit_task(struct perf_event *child_event,
 
 static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
 {
-	struct perf_event *child_event, *tmp;
+	struct perf_event *child_event;
 	struct perf_event_context *child_ctx;
 	unsigned long flags;
 
-- 
1.8.2.3

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