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SubjectRe: [3/3] Coccinelle: pci_free_consistent: Extend when constraints for two SmPL ellipses
> 2,  If you really plan to add the two restrictions above,
> you may need to consider this further than simply adding a "when != id = (T2)(e)" statement.
> I constructed the flollowing code snippet as a test case:

> Using the original SmPL, we can find a bug.
> But with your modified SmPL, we can't find the bug.

The difference is the possible exclusion of a reassignment to a local variable
in which a pointer was stored for a resource allocation.

Would you like to adjust corresponding case distinctions any further?

How many script variants will become relevant here?


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