Assume you downloaded the spatch program, from here. http://coccinelle.lip6.fr/distrib/coccinelle-1.0.0-rc22-bin-x86.tgz.
/root/coccinelle-1.0.0-rc22/spatch -I /root/coccinelle-1.0.0-rc22 --sp-file util/spatch/poor-ftrace.cocci src/lib/hardwaremain.c --in-place.
is one example.
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