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[ Upstream commitf2d90e07b5] In case of error, the function device_get_named_child_node() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Fixes:da0cb63100("usb: typec: add support for STUSB160x Type-C controller family") Reported-by: Hulk Robot <hulkci@huawei.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20210308094839.3586773-1-weiyongjun1@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>