diff --git a/scripts/coccinelle/locks/double_lock.cocci b/scripts/coccinelle/locks/double_lock.cocci index 619cfc714409..381060849a7b 100644 --- a/scripts/coccinelle/locks/double_lock.cocci +++ b/scripts/coccinelle/locks/double_lock.cocci @@ -38,7 +38,20 @@ write_lock@p1 write_trylock@p1 ) (E1@p,...); -@balanced@ +@r_candidate exists@ +expression x <= locked.E1; +expression locked.E1; +expression E2; +identifier lock; +position locked.p,p1,p2; +@@ + +lock@p1 (E1@p,...); +... when != E1 + when != \(x = E2\|&x\) +lock@p2 (E1,...); + +@balanced depends on r_candidate@ position p1 != locked.p1; position locked.p; identifier lock,unlock;