linux-kernel - [PATCH] irq: chip: Optimize the irq_set_irq

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Message-Id: <20240604080914.38019-1-zeming@nfschina.com>
Date: Tue,  4 Jun 2024 16:09:14 +0800
From: Li zeming <zeming@...china.com>
To: tglx@...utronix.de
Cc: linux-kernel@...r.kernel.org,
	Li zeming <zeming@...china.com>
Subject: [PATCH] irq: chip: Optimize the irq_set_irq_type function code

Optimize the position of ret and remove initialization assignments,
making the function look more aesthetically pleasing internally.

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

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index dc94e0bf2c94..1ce3d29abc90 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -64,9 +64,9 @@ EXPORT_SYMBOL(irq_set_chip);
  */
 int irq_set_irq_type(unsigned int irq, unsigned int type)
 {
+	int ret;
 	unsigned long flags;
 	struct irq_desc *desc = irq_get_desc_buslock(irq, &flags, IRQ_GET_DESC_CHECK_GLOBAL);
-	int ret = 0;
 
 	if (!desc)
 		return -EINVAL;
-- 
2.18.2