From e1b9741211292e540a0ef138e0a8b29ba1dbb35c Mon Sep 17 00:00:00 2001
From: Nicolas Palix <npalix@diku.dk>
Date: Sun, 6 Jun 2010 17:15:06 +0200
Subject: [PATCH] --- yaml --- r: 204873 b: refs/heads/master c:
 f853f8305bc2ab24a2f5fb24c4635c645cc7f9d1 h: refs/heads/master i:   204871:
 59f086806cfe48506eeab48aa709300f15540161 v: v3

---
 [refs]                                  |  2 +-
 trunk/scripts/coccinelle/err_cast.cocci | 56 +++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 1 deletion(-)
 create mode 100644 trunk/scripts/coccinelle/err_cast.cocci

diff --git a/[refs] b/[refs]
index 73d15e3e8f2a..7ea6a89fd4c6 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 09c35396ecadceb13f0b3fb77da200b6da6a0e37
+refs/heads/master: f853f8305bc2ab24a2f5fb24c4635c645cc7f9d1
diff --git a/trunk/scripts/coccinelle/err_cast.cocci b/trunk/scripts/coccinelle/err_cast.cocci
new file mode 100644
index 000000000000..2ce115000af6
--- /dev/null
+++ b/trunk/scripts/coccinelle/err_cast.cocci
@@ -0,0 +1,56 @@
+///
+/// Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
+///
+// Confidence: High
+// Copyright: (C) 2009, 2010 Nicolas Palix, DIKU.  GPLv2.
+// Copyright: (C) 2009, 2010 Julia Lawall, DIKU.  GPLv2.
+// Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6.  GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Options:
+//
+// Keywords: ERR_PTR, PTR_ERR, ERR_CAST
+// Version min: 2.6.25
+//
+
+virtual context
+virtual patch
+virtual org
+virtual report
+
+
+@ depends on context && !patch && !org && !report@
+expression x;
+@@
+
+* ERR_PTR(PTR_ERR(x))
+
+@ depends on !context && patch && !org && !report @
+expression x;
+@@
+
+- ERR_PTR(PTR_ERR(x))
++ ERR_CAST(x)
+
+@r depends on !context && !patch && (org || report)@
+expression x;
+position p;
+@@
+
+ ERR_PTR@p(PTR_ERR(x))
+
+@script:python depends on org@
+p << r.p;
+x << r.x;
+@@
+
+msg="WARNING ERR_CAST can be used with %s" % (x)
+msg_safe=msg.replace("[","@(").replace("]",")")
+coccilib.org.print_todo(p[0], msg_safe)
+
+@script:python depends on report@
+p << r.p;
+x << r.x;
+@@
+
+msg="WARNING: ERR_CAST can be used with %s" % (x)
+coccilib.report.print_report(p[0], msg)