linux-kernel - [PATCH] kernel: cpu: Remove unnecessary ‘0’ values from err

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Message-Id: <20231228032051.13440-1-kunyu@nfschina.com>
Date: Thu, 28 Dec 2023 11:20:51 +0800
From: Li kunyu <kunyu@...china.com>
To: tglx@...utronix.de,
	peterz@...radead.org
Cc: linux-kernel@...r.kernel.org,
	Li kunyu <kunyu@...china.com>
Subject: [PATCH] kernel: cpu: Remove unnecessary ‘0’ values from err

The err variable is assigned when it does not need to be defined, as it
has already been assigned before use.

Signed-off-by: Li kunyu <kunyu@...china.com>
---
 kernel/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/cpu.c b/kernel/cpu.c
index c1f331ddf0dc7..bea9cd176449e 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1720,7 +1720,7 @@ static int _cpu_up(unsigned int cpu, int tasks_frozen, enum cpuhp_state target)
 
 static int cpu_up(unsigned int cpu, enum cpuhp_state target)
 {
-	int err = 0;
+	int err;
 
 	if (!cpu_possible(cpu)) {
 		pr_err("can't online cpu %d because it is not configured as may-hotadd at boot time\n",
-- 
2.18.2