linux-kernel - [PATCH] ACPI: fix build warning in processor

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Date:   Thu,  1 Apr 2021 03:40:25 +0530
From:   Anirudh Rayabharam <mail@...rudhrb.com>
To:     rjw@...ysocki.net, lenb@...nel.org
Cc:     Anirudh Rayabharam <mail@...rudhrb.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ACPI: fix build warning in processor_idle.c

GCC shows the following warning during build:

drivers/acpi/processor_idle.c: In function ‘acpi_idle_play_dead’:
drivers/acpi/processor_idle.c:542:15: warning: extra tokens at end
of #ifdef directive

Fix by replacing "ifdef" with "if".

Signed-off-by: Anirudh Rayabharam <mail@...rudhrb.com>
---
 drivers/acpi/processor_idle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 19fb28a8005b..0925b1477230 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -539,7 +539,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
 		} else
 			return -ENODEV;
 
-#ifdef defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
+#if defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
 		/* If NMI wants to wake up CPU0, start CPU0. */
 		if (wakeup_cpu0())
 			start_cpu0();
-- 
2.26.2