linux-kernel - [PATCH] perf: Remove the redundant assignment operation

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Date:   Thu,  4 May 2023 17:50:56 +0800
From:   Quanfa Fu <quanfafu@...il.com>
To:     peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        jolsa@...nel.org, namhyung@...nel.org, irogers@...gle.com,
        adrian.hunter@...el.com
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Quanfa Fu <quanfafu@...il.com>
Subject: [PATCH] perf: Remove the redundant assignment operation

After commit bd2756811766 ("perf: Rewrite core context handling"), the variable
err will be assigned a value before use, so no need to assign it to -EINVAL
here.

Signed-off-by: Quanfa Fu <quanfafu@...il.com>
---
 kernel/events/core.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 68baa8194d9f..c57b7aebf3ee 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4752,7 +4752,6 @@ find_get_context(struct task_struct *task, struct perf_event *event)
 		return ctx;
 	}
 
-	err = -EINVAL;
 retry:
 	ctx = perf_lock_task_context(task, &flags);
 	if (ctx) {
-- 
2.31.1