Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

[karo-tx-linux.git] / scripts / coccinelle / misc / of_table.cocci

diff --git a/scripts/coccinelle/misc/of_table.cocci b/scripts/coccinelle/misc/of_table.cocci
new file mode 100644 (file)
index 0000000..3c93404
--- /dev/null
+++ b/scripts/coccinelle/misc/of_table.cocci
@@ -0,0 +1,62 @@
+/// Make sure of_device_id tables are NULL terminated
+//
+// Keywords: of_table
+// Confidence: Medium
+// Options: --include-headers
+
+virtual patch
+virtual context
+virtual org
+virtual report
+
+@depends on context@
+identifier var, arr;
+expression E;
+@@
+struct of_device_id arr[] = {
+       ...,
+       {
+       .var = E,
+*      }
+};
+
+@depends on patch@
+identifier var, arr;
+expression E;
+@@
+struct of_device_id arr[] = {
+       ...,
+       {
+       .var = E,
+-      }
++      },
++      { }
+};
+
+@r depends on org || report@
+position p1;
+identifier var, arr;
+expression E;
+@@
+struct of_device_id arr[] = {
+       ...,
+       {
+       .var = E,
+       }
+       @p1
+};
+
+@script:python depends on org@
+p1 << r.p1;
+arr << r.arr;
+@@
+
+cocci.print_main(arr,p1)
+
+@script:python depends on report@
+p1 << r.p1;
+arr << r.arr;
+@@
+
+msg = "%s is not NULL terminated at line %s" % (arr, p1[0].line)
+coccilib.report.print_report(p1[0],msg)