ccf1227313
Sphinx 3.x doesn't allow expressions using :c:func markup: ./Documentation/driver-api/mei/mei.rst:41: WARNING: Unparseable C cross-reference: 'close(int fd)' Invalid C declaration: Expected end of definition. [error at 5] close(int fd) -----^ So, convert it into a :c:expr. Acked-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>