linux-kernel - [tip: perf/urgent] perf/core: Remove unused local variable

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Date:   Fri, 27 May 2022 10:15:58 -0000
From:   "tip-bot2 for Haowen Bai" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Haowen Bai <baihaowen@...zu.com>, Ingo Molnar <mingo@...nel.org>,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: perf/urgent] perf/core: Remove unused local variable

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     8b4dd2d8627e88dc3bd71bf29c48aaae2b69572b
Gitweb:        https://git.kernel.org/tip/8b4dd2d8627e88dc3bd71bf29c48aaae2b69572b
Author:        Haowen Bai <baihaowen@...zu.com>
AuthorDate:    Fri, 27 May 2022 18:03:54 +08:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 27 May 2022 12:14:16 +02:00

perf/core: Remove unused local variable

Drop LIST_HEAD() where the variable it declares is never used.

Compiler probably never warned us, because the LIST_HEAD()
initializer is technically 'usage'.

[ mingo: Tweak changelog. ]

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/1653645835-29206-1-git-send-email-baihaowen@meizu.com
---
 kernel/events/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 950b25c..80782cd 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;