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Subject[PATCH 1/2] usb: dwc3: omap: fix up error path on probe()
Date
From: Felipe Balbi <balbi@kernel.org>

Even if pm_runtime_get*() fails, we *MUST* call
pm_runtime_put_sync() before disabling PM.

While at it, remove superfluous dwc3_omap_disable_irqs()
in error path.

Signed-off-by: Felipe Balbi <balbi@kernel.org>
[nsekhar@ti.com: patch description updates]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
---
drivers/usb/dwc3/dwc3-omap.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 22e9606..55da2c7 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -496,7 +496,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "get_sync failed with err %d\n", ret);
- goto err0;
+ goto err1;
}

dwc3_omap_map_offset(omap);
@@ -516,28 +516,24 @@ static int dwc3_omap_probe(struct platform_device *pdev)

ret = dwc3_omap_extcon_register(omap);
if (ret < 0)
- goto err2;
+ goto err1;

ret = of_platform_populate(node, NULL, NULL, dev);
if (ret) {
dev_err(&pdev->dev, "failed to create dwc3 core\n");
- goto err3;
+ goto err2;
}

dwc3_omap_enable_irqs(omap);

return 0;

-err3:
+err2:
extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb);
extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb);
-err2:
- dwc3_omap_disable_irqs(omap);

err1:
pm_runtime_put_sync(dev);
-
-err0:
pm_runtime_disable(dev);

return ret;
--
2.5.0
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