linux-kernel - [PATCH] USB: FHCI: fix error return code in of_fhci

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Message-ID: <1669692810-26744-1-git-send-email-wangyufen@huawei.com>
Date:   Tue, 29 Nov 2022 11:33:30 +0800
From:   Wang Yufen <wangyufen@...wei.com>
To:     <gregkh@...uxfoundation.org>, <linus.walleij@...aro.org>,
        <mailhol.vincent@...adoo.fr>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <wangyufen@...wei.com>
Subject: [PATCH] USB: FHCI: fix error return code in of_fhci_probe()

Fix to return a negative error code of PTR_ERR(fhci->gpiods[i])
instead of 0.

Fixes: a4efdb8a423b ("USB: FHCI: Switch to GPIO descriptors")
Signed-off-by: Wang Yufen <wangyufen@...wei.com>
---
 drivers/usb/host/fhci-hcd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 95a4446..afef72a 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -639,6 +639,7 @@ static int of_fhci_probe(struct platform_device *ofdev)
 					NULL, i, GPIOD_OUT_LOW);
 
 		if (IS_ERR(fhci->gpiods[i])) {
+			ret = PTR_ERR(fhci->gpiods[i])
 			dev_err(dev, "incorrect GPIO%d: %ld\n",
 				i, PTR_ERR(fhci->gpiods[i]));
 			goto err_gpios;
-- 
1.8.3.1