linux-kernel - [PATCH v6] coccinelle: Improve checking for missing NULL terminators

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Date:	Fri, 26 Jun 2015 16:39:53 +0200
From:	Daniel Granat <d.granat@...sung.com>
To:	Julia.Lawall@...6.fr, cocci@...teme.lip6.fr,
	linux-kernel@...r.kernel.org
Cc:	Gilles.Muller@...6.fr, nicolas.palix@...g.fr, k.wrona@...sung.com,
	k.kozlowski@...sung.com, Daniel Granat <d.granat@...sung.com>
Subject: [PATCH v6] coccinelle: Improve checking for missing NULL terminators

Extend checking on tables containing structures which are
initialized without specifying member name. Added new tables
for checking: i2c_device_id and platform_device_id.

Signed-off-by: Daniel Granat <d.granat@...sung.com>
Acked-by: Julia Lawall <julia.lawall@...6.fr>
---
 scripts/coccinelle/misc/of_table.cocci | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/scripts/coccinelle/misc/of_table.cocci b/scripts/coccinelle/misc/of_table.cocci
index 3c93404..2294915 100644
--- a/scripts/coccinelle/misc/of_table.cocci
+++ b/scripts/coccinelle/misc/of_table.cocci
@@ -1,6 +1,6 @@
-/// Make sure of_device_id tables are NULL terminated
+/// Make sure (of/i2c/platform)_device_id tables are NULL terminated
 //
-// Keywords: of_table
+// Keywords: of_table i2c_table platform_table
 // Confidence: Medium
 // Options: --include-headers
 
@@ -13,18 +13,26 @@ virtual report
 identifier var, arr;
 expression E;
 @@
-struct of_device_id arr[] = {
+(
+struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
 	...,
 	{
 	.var = E,
 *	}
 };
+|
+struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
+	...,
+*	{ ..., E, ... },
+};
+)
 
 @depends on patch@
 identifier var, arr;
 expression E;
 @@
-struct of_device_id arr[] = {
+(
+struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
 	...,
 	{
 	.var = E,
@@ -32,19 +40,34 @@ struct of_device_id arr[] = {
 +	},
 +	{ }
 };
+|
+struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
+	...,
+	{ ..., E, ... },
++	{ },
+};
+)
 
 @r depends on org || report@
 position p1;
 identifier var, arr;
 expression E;
 @@
-struct of_device_id arr[] = {
+(
+struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
 	...,
 	{
 	.var = E,
 	}
 	@p1
 };
+|
+struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
+	...,
+	{ ..., E, ... }
+	@p1
+};
+)
 
 @script:python depends on org@
 p1 << r.p1;
-- 
1.9.1

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