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usb: dwc3: omap: Fix devm_regulator_get_optional() error handling

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Commit 533561a8aa ("usb: dwc3: omap: Use
devm_regulator_get_optional()") assumed NULL was returned, but
devm_regulator_get_optional() returns -ENODEV rather than NULL like
other *_get_optional() functions.

Fixes: 533561a8aa ("usb: dwc3: omap: Use devm_regulator_get_optional()")
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20250109170748.3852439-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rob Herring (Arm) 2025-01-09 11:07:47 -06:00 • committed by Greg Kroah-Hartman
parent e84a7da8c5
commit 7d3934884b
1 changed files with 5 additions and 2 deletions
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7
drivers/usb/dwc3/dwc3-omap.c
View file

@ -484,8 +484,11 @@ static int dwc3_omap_probe(struct platform_device *pdev)
return PTR_ERR(base);
vbus_reg = devm_regulator_get_optional(dev, "vbus");
if (IS_ERR(vbus_reg))
return dev_err_probe(dev, PTR_ERR(vbus_reg), "vbus init failed\n");
if (IS_ERR(vbus_reg)) {
if (PTR_ERR(vbus_reg) != -ENODEV)
return dev_err_probe(dev, PTR_ERR(vbus_reg), "vbus init failed\n");
vbus_reg = NULL;
}
omap->dev = dev;
omap->irq = irq;