Author: SF Markus Elfring <elfring@users.sourceforge.net> A semantic patch approach was proposed with the subject « [PATCH with Coccinelle?] Deletion of unnecessary checks before specific function calls » on 2014-03-05. https://lkml.org/lkml/2014/3/5/344 http://article.gmane.org/gmane.comp.version-control.coccinelle/3513/ This patch pattern application was repeated with the help of the software « Coccinelle 1.0.0-rc22 » on the source files for Linux 3.17.1. An extract of the automatically …