This just needs to find any reassignment of the loop iterator, and doesn't
need such a thing on all execution paths, so use exists on the first rule.

Signed-off-by: Julia Lawall <julia.law...@lip6.fr>

---

diff --git a/scripts/coccinelle/iterators/list_entry_update.cocci 
b/scripts/coccinelle/iterators/list_entry_update.cocci
index 873f444..be6f9f1 100644
--- a/scripts/coccinelle/iterators/list_entry_update.cocci
+++ b/scripts/coccinelle/iterators/list_entry_update.cocci
@@ -15,7 +15,7 @@ virtual context
 virtual org
 virtual report

-@r@
+@r exists@
 iterator name list_for_each_entry;
 expression x,E;
 position p1,p2;

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