diff options
| author | Tang Bin <tangbin@cmss.chinamobile.com> | 2022-05-25 16:53:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 12:48:49 +0300 |
| commit | f08aa7c80dac27ee00fa6827f447597d2fba5465 (patch) | |
| tree | e05f2a36aac73aa3df5427b2b974f88373a29d8b /drivers/usb | |
| parent | 7afe69ad9221a77dc782b81f49cd7f99987740ed (diff) | |
| download | linux-f08aa7c80dac27ee00fa6827f447597d2fba5465.tar.xz | |
usb: gadget: tegra-xudc: Fix error check in tegra_xudc_powerdomain_init()
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.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/udc/tegra-xudc.c | 8 |
1 files 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; } |