On Sat, Nov 05, 2022 at 12:36:42PM -0400, Steven Rostedt wrote: > ----------------------8<------------------------ > @@ > identifier ptr, timer, rfield, slab; > @@ > ( > - del_timer(&ptr->timer); > + timer_shutdown(&ptr->timer); > | > - del_timer_sync(&ptr->timer); > + timer_shutdown_sync(&ptr->timer); > ) > ... > ( > kfree_rcu(ptr, rfield); > | > kmem_cache_free(slab, ptr); > | > kfree(ptr); > ) > ---------------------->8------------------------ Something that might help here is changing the `...` into `... when exists` or into `... when != ptr` or similar. See this section of the manual: https://coccinelle.gitlabpages.inria.fr/website/docs/main_grammar004.html Jason