netdev - [PATCH net-next] can: c_can: Do not check for 0 return after calling platform_get

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Date: Wed, 2 Aug 2023 11:09:00 +0800
From: Ruan Jinjie <ruanjinjie@...wei.com>
To: <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<u.kleine-koenig@...gutronix.de>, <chi.minghao@....com.cn>,
	<linux-can@...r.kernel.org>, <netdev@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH net-next] can: c_can: Do not check for 0 return after calling platform_get_irq()

It is not possible for platform_get_irq() to return 0. Use the
return value from platform_get_irq().

Signed-off-by: Ruan Jinjie <ruanjinjie@...wei.com>
---
 drivers/net/can/c_can/c_can_platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index 925930b6c4ca..f44ba2600415 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -285,8 +285,8 @@ static int c_can_plat_probe(struct platform_device *pdev)
 
 	/* get the platform data */
 	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		ret = -ENODEV;
+	if (irq < 0) {
+		ret = irq;
 		goto exit;
 	}
 
-- 
2.34.1