linux-kernel - [PATCH v3] USB: FHCI: fix error return code in of_fhci

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Message-ID: <1669704232-40228-1-git-send-email-wangyufen@huawei.com>
Date:   Tue, 29 Nov 2022 14:43:52 +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 v3] 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 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 95a4446..c8a1b98 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -639,8 +639,9 @@ static int of_fhci_probe(struct platform_device *ofdev)
 					NULL, i, GPIOD_OUT_LOW);
 
 		if (IS_ERR(fhci->gpiods[i])) {
-			dev_err(dev, "incorrect GPIO%d: %ld\n",
-				i, PTR_ERR(fhci->gpiods[i]));
+			ret = PTR_ERR(fhci->gpiods[i]);
+			dev_err(dev, "incorrect GPIO%d: %d\n",
+				i, ret);
 			goto err_gpios;
 		}
 		if (!fhci->gpiods[i]) {
-- 
1.8.3.1