linux-kernel - [PATCH] perf/core: drop the useless LIST_HEAD in perf_event_remove_on

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Message-ID: <1653645835-29206-1-git-send-email-baihaowen@meizu.com>
Date:   Fri, 27 May 2022 18:03:54 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        "Namhyung Kim" <namhyung@...nel.org>
CC:     Haowen Bai <baihaowen@...zu.com>,
        <linux-perf-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] perf/core: drop the useless LIST_HEAD in perf_event_remove_on_exec()

Drop LIST_HEAD where the variable it declares is never used.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
 kernel/events/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 950b25c3f210..80782cddb1da 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4257,7 +4257,6 @@ static void perf_event_remove_on_exec(int ctxn)
 {
 	struct perf_event_context *ctx, *clone_ctx = NULL;
 	struct perf_event *event, *next;
-	LIST_HEAD(free_list);
 	unsigned long flags;
 	bool modified = false;
 
-- 
2.7.4