From: Tang Bin tangbin@cmss.chinamobile.com
[ Upstream commit f08aa7c80dac27ee00fa6827f447597d2fba5465 ]
dev_pm_domain_attach_by_name() may return NULL in some cases, so IS_ERR() doesn't meet the requirements. Thus fix it.
Fixes: 49db427232fe ("usb: gadget: Add UDC driver for tegra XUSB device mode controller") Signed-off-by: Tang Bin tangbin@cmss.chinamobile.com Link: https://lore.kernel.org/r/20220525135332.23144-1-tangbin@cmss.chinamobile.co... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/usb/gadget/udc/tegra-xudc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c index 6d31ccf6aee5..3c37effdfa64 100644 --- a/drivers/usb/gadget/udc/tegra-xudc.c +++ b/drivers/usb/gadget/udc/tegra-xudc.c @@ -3691,15 +3691,15 @@ static int tegra_xudc_powerdomain_init(struct tegra_xudc *xudc) int err;
xudc->genpd_dev_device = dev_pm_domain_attach_by_name(dev, "dev"); - if (IS_ERR(xudc->genpd_dev_device)) { - err = PTR_ERR(xudc->genpd_dev_device); + if (IS_ERR_OR_NULL(xudc->genpd_dev_device)) { + err = PTR_ERR(xudc->genpd_dev_device) ? : -ENODATA; dev_err(dev, "failed to get device power domain: %d\n", err); return err; }
xudc->genpd_dev_ss = dev_pm_domain_attach_by_name(dev, "ss"); - if (IS_ERR(xudc->genpd_dev_ss)) { - err = PTR_ERR(xudc->genpd_dev_ss); + if (IS_ERR_OR_NULL(xudc->genpd_dev_ss)) { + err = PTR_ERR(xudc->genpd_dev_ss) ? : -ENODATA; dev_err(dev, "failed to get SuperSpeed power domain: %d\n", err); return err; }