From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Fri, 17 Nov 2017 11:25:35 +0000 (+0530)
Subject: phy: cpcap-usb: Fix platform_get_irq_byname's error checking.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4d9f6272917815f5ac5821ab6163045e74903f0d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

phy: cpcap-usb: Fix platform_get_irq_byname's error checking.


[ Upstream commit e796cc6a3a9186c92092e2f5929cf8f65b56cf01 ]

The platform_get_irq_byname() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq_byname() error
checking for zero is not correct.

Fixes: 6d6ce40f63af ("phy: cpcap-usb: Add CPCAP PMIC USB support")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/phy/motorola/phy-cpcap-usb.c b/drivers/phy/motorola/phy-cpcap-usb.c
index accaaaccb662..6601ad0dfb3a 100644
--- a/drivers/phy/motorola/phy-cpcap-usb.c
+++ b/drivers/phy/motorola/phy-cpcap-usb.c
@@ -310,7 +310,7 @@ static int cpcap_usb_init_irq(struct platform_device *pdev,
 	int irq, error;
 
 	irq = platform_get_irq_byname(pdev, name);
-	if (!irq)
+	if (irq < 0)
 		return -ENODEV;
 
 	error = devm_request_threaded_irq(ddata->dev, irq, NULL,