linux-kernel - [PATCH 5.10 129/167] usb: gadget: Fix Unbalanced pm_runtime_enable in tegra_xudc

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Message-Id: <20210726153843.728815549@linuxfoundation.org>
Date:   Mon, 26 Jul 2021 17:39:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Zhang Qilong <zhangqilong3@...wei.com>
Subject: [PATCH 5.10 129/167] usb: gadget: Fix Unbalanced pm_runtime_enable in tegra_xudc_probe

From: Zhang Qilong <zhangqilong3@...wei.com>

commit 5b01248156bd75303e66985c351dee648c149979 upstream.

Add missing pm_runtime_disable() when probe error out. It could
avoid pm_runtime implementation complains when removing and probing
again the driver.

Fixes: 49db427232fe ("usb: gadget: Add UDC driver for tegra XUSB device mode controller")
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Zhang Qilong <zhangqilong3@...wei.com>
Link: https://lore.kernel.org/r/20210618141441.107817-1-zhangqilong3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/gadget/udc/tegra-xudc.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -3861,6 +3861,7 @@ static int tegra_xudc_probe(struct platf
 	return 0;
 
 free_eps:
+	pm_runtime_disable(&pdev->dev);
 	tegra_xudc_free_eps(xudc);
 free_event_ring:
 	tegra_xudc_free_event_ring(xudc);