This commit escapes *ret, because otherwise the documentation system thinks that this is an incomplete emphasis block: ./kernel/rcu/update.c:65: WARNING: Inline emphasis start-string without end-string. ./kernel/rcu/update.c:65: WARNING: Inline emphasis start-string without end-string. ./kernel/rcu/update.c:70: WARNING: Inline emphasis start-string without end-string. ./kernel/rcu/update.c:82: WARNING: Inline emphasis start-string without end-string. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>