[PATCH] coccinelle: if(ret)return ret; return ret; semantic patch

[Greg Dietsche]

This semantic patch finds code matching this pattern:
	if(ret)
		return ret;
	return ret;

I will be submitting patches shortly against the mainline to cleanup all
code matching this pattern.

Signed-off-by: Greg Dietsche <Gregory.Dietsche@xxxxxxx>
---
 scripts/coccinelle/misc/doublereturn.cocci |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
 create mode 100644 scripts/coccinelle/misc/doublereturn.cocci

diff --git a/scripts/coccinelle/misc/doublereturn.cocci b/scripts/coccinelle/misc/doublereturn.cocci
new file mode 100644
index 0000000..656a118
--- /dev/null
+++ b/scripts/coccinelle/misc/doublereturn.cocci
@@ -0,0 +1,20 @@
+/// Remove unecessary if/return in code that follows this pattern:
+///	if(retval)
+///		return retval;
+///	return retval;
+//
+// Confidence: High
+// Copyright: (C) 2011 Greg Dietsche GPLv2.
+// URL: http://www.gregd.org
+// Comments:
+// Options: -no_includes
+
+virtual patch
+
+@@
+identifier retval;
+@@
+-if (retval)
+-	return retval;
+-return retval;
++return retval;
-- 
1.7.2.5

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