tools/coccinelle/ifnullxfree.cocci

   1 /// NULL check before some freeing functions is not needed.
   2 ///
   3 // Copyright: (C) 2014 Fabian Frederick.  GPLv2.
   4 // Copyright: (C) 2019 Quentin Young.  GPLv2.
   5 // Comments: -
   6 // Options: --no-includes --include-headers
   7
   8 virtual patch
   9
  10 @r2 depends on patch@
  11 expression E;
  12 expression Y;
  13 @@
  14 - if (E != NULL)
  15 XFREE(Y, E);