[PATCH] checkpatch: Notice unbalanced else braces in a patch

[Joe Perches]

Patches that add or modify code like
	} else
		<foo>
or
	else {
		<bar>

where one branch appears to have a brace and the other branch
does not have a brace should emit a --strict style message.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
 scripts/checkpatch.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8e96af53611c..ad5ea5c545b2 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5106,6 +5106,12 @@ sub process {
 			}
 		}
 
+# check for single line unbalanced braces
+		if ($sline =~ /.\s*\}\s*else\s*$/ ||
+		    $sline =~ /.\s*else\s*\{\s*$/) {
+			CHK("BRACES", "Unbalanced braces around else statement\n" . $herecurr);
+		}
+
 # check for unnecessary blank lines around braces
 		if (($line =~ /^.\s*}\s*$/ && $prevrawline =~ /^.\s*$/)) {
 			if (CHK("BRACES",
-- 
2.10.0.rc2.1.g053435c