netdev - [PATCH -next] net: lan966x: Do not check 0 for platform_get_irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Thu, 3 Aug 2023 16:29:00 +0800
From: Zhu Wang <wangzhu9@...wei.com>
To: <horatiu.vultur@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: <wangzhu9@...wei.com>
Subject: [PATCH -next] net: lan966x: Do not check 0 for platform_get_irq_byname()

Since platform_get_irq_byname() never returned zero, so it need not to
check whether it returned zero, it returned -EINVAL or -ENXIO when
failed, so we replace the return error code with the result it returned.

Signed-off-by: Zhu Wang <wangzhu9@...wei.com>
---
 drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index fbb0bb4594cd..824961ec1370 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -1108,8 +1108,8 @@ static int lan966x_probe(struct platform_device *pdev)
 
 	/* set irq */
 	lan966x->xtr_irq = platform_get_irq_byname(pdev, "xtr");
-	if (lan966x->xtr_irq <= 0)
-		return -EINVAL;
+	if (lan966x->xtr_irq < 0)
+		return lan966x->xtr_irq;
 
 	err = devm_request_threaded_irq(&pdev->dev, lan966x->xtr_irq, NULL,
 					lan966x_xtr_irq_handler, IRQF_ONESHOT,
-- 
2.17.1