Author: Julia Lawall <Julia.Lawall@lip6.fr> Kfree can cope with a null argument, so drop null tests. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // @@ expression ptr; @@ – if (ptr != NULL) kfree(ptr); @@ expression ptr; @@ – if (ptr != NULL) { kfree(ptr); ptr = NULL; – } // In …
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