In the Linux kernel before 5.17, drivers/phy/tegra/xusb.c mishandles the tegra_xusb_find_port_node return value. Callers expect NULL in the error case, but an error pointer is used.
https://security.netapp.com/advisory/ntap-20230331-0004/
https://github.com/torvalds/linux/commit/045a31b95509c8f25f5f04ec5e0dec5cd09f2c5f