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authorNicolas Palix <npalix@diku.dk>2010-08-24 17:39:08 +0200
committerMichal Marek <mmarek@suse.cz>2010-08-31 11:37:54 +0200
commit99d653d4bc269aebf255f3864334110dbcc70f37 (patch)
tree179f8776bddafdfd9fa8c024bab57e530ca479d1 /scripts/coccinelle/api/err_cast.cocci
parent034174598bc8ffd9586432852502e368a43ef0f1 (diff)
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Coccinelle: Move err_cast.cocci to the api directory
Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts/coccinelle/api/err_cast.cocci')
-rw-r--r--scripts/coccinelle/api/err_cast.cocci56
1 files changed, 56 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/err_cast.cocci b/scripts/coccinelle/api/err_cast.cocci
new file mode 100644
index 00000000000..2ce115000af
--- /dev/null
+++ b/scripts/coccinelle/api/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)