Commit 44faada0 authored by Claudiu Beznea's avatar Claudiu Beznea Committed by Vinod Koul
Browse files

phy: tegra: xusb: check return value of devm_kzalloc() 



devm_kzalloc() returns a pointer to dynamically allocated memory.
Pointer could be NULL in case allocation fails. Check pointer validity.
Identified with coccinelle (kmerr.cocci script).

Fixes: f67213ce ("phy: tegra: xusb: Add usb-role-switch support")
Signed-off-by: default avatarClaudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230531073950.145339-1-claudiu.beznea@microchip.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 6cd52a2a

drivers/phy/tegra/xusb.c

+3 −0
Original line number Diff line number Diff line
@@ -676,6 +676,9 @@ 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,