Created coccinelle script for reporting missing pci_free_consistent() calls.
Signed-off-by: Petr Strnad <strnape1@xxxxxxxxxxx>
---
diff --git a/scripts/coccinelle/free/pci_free_consistent.cocci
b/scripts/coccinelle/free/pci_free_consistent.cocci
new file mode 100644
index 0000000..08ea45a
--- /dev/null
+++ b/scripts/coccinelle/free/pci_free_consistent.cocci
@@ -0,0 +1,36 @@
+/// Find missing pci_free_consistent for every pci_alloc_consistent.
+///
+// Copyright: (C) 2013 Petr Strnad. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+//
+// Keywords: pci_free_consisten, pci_alloc_consistent
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+@search@
+expression id,x,y,z;
+position p1,p2;
+@@
+
+<...
+id = pci_alloc_consistent@p1(x,y,z)
+... when != pci_free_consistent(x,y,id,z)
+ when forall
+(
+if (id == NULL) { ... }
+|
+*return@p2 ...;
+)
+...>
+
+@script:python depends on report@
+p1 << search.p1;
+p2 << search.p2;
+@@
+
+msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on
line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
+coccilib.report.print_report(p2[0],msg)
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