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

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Date:   Mon, 13 May 2019 11:01:30 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Julia Lawall <julia.lawall@...6.fr>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Wen Yang <wen.yang99@....com.cn>
Cc:     cocci@...teme.lip6.fr, linux-kernel@...r.kernel.org,
        Yi Wang <wang.yi59@....com.cn>
Subject: [PATCH 2/5] Coccinelle: put_device: Add a cast to an expression for
 an assignment

From: Markus Elfring <elfring@...rs.sourceforge.net>
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@...rs.sourceforge.net>
Suggested-by: Julia Lawall <Julia.Lawall@...6.fr>
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