[PATCH 2/5] Coccinelle: put_device: Add a cast to an expression for an assignment

From: Markus Elfring
Date: Mon May 13 2019 - 05:03:26 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 8 May 2019 13:50:49 +0200

Extend a when constraint in a SmPL rule so that an additional cast
is optionally excluded from source code searches for an expression
in assignments.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Suggested-by: Julia Lawall <Julia.Lawall@xxxxxxx>
Link: https://lore.kernel.org/lkml/alpine.DEB.2.21.1902160934400.3212@hadrien/
Link: https://systeme.lip6.fr/pipermail/cocci/2019-February/005592.html
---
scripts/coccinelle/free/put_device.cocci | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/coccinelle/free/put_device.cocci b/scripts/coccinelle/free/put_device.cocci
index 3ebebc064f10..120921366e84 100644
--- a/scripts/coccinelle/free/put_device.cocci
+++ b/scripts/coccinelle/free/put_device.cocci
@@ -24,7 +24,7 @@ if (id == NULL || ...) { ... return ...; }
when != of_dev_put(id)
when != if (id) { ... put_device(&id->dev) ... }
when != e1 = (T)id
- when != e1 = &id->dev
+ when != e1 = (T)(&id->dev)
when != e1 = get_device(&id->dev)
when != e1 = (T1)platform_get_drvdata(id)
(
--
2.21.0