Messages in this thread Patch in this message | | | From | williamsukatube@163 ... | Subject | [PATCH] phy: tegra: xusb: check the return value of devm_kzalloc() in tegra_xusb_setup_usb_role_switch() | Date | Sat, 23 Jul 2022 11:41:30 +0800 |
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From: William Dean <williamsukatube@gmail.com>
The function devm_kzalloc() in tegra_xusb_setup_usb_role_switch() can fail, so its return value should be checked.
Fixes: f67213cee2b35 ("phy: tegra: xusb: Add usb-role-switch support") Reported-by: Hacash Robot <hacashRobot@santino.com> Signed-off-by: William Dean <williamsukatube@gmail.com> --- drivers/phy/tegra/xusb.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c index aa5237eacd29..e3611fb4c779 100644 --- a/drivers/phy/tegra/xusb.c +++ b/drivers/phy/tegra/xusb.c @@ -668,6 +668,8 @@ static int tegra_xusb_setup_usb_role_switch(struct tegra_xusb_port *port) port->dev.driver = devm_kzalloc(&port->dev, sizeof(struct device_driver), GFP_KERNEL); + if (!port->dev.driver) + return -ENOMEM; port->dev.driver->owner = THIS_MODULE; port->usb_role_sw = usb_role_switch_register(&port->dev, -- 2.25.1
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