From: Joe Perches <joe@xxxxxxxxxxx>
Subject: checkpatch: notice unbalanced else braces in a patch
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.
Link: http://lkml.kernel.org/r/c6be32747fc725cbc235802991746700a0f54fdc.1486754390.git.joe@xxxxxxxxxxx
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN scripts/checkpatch.pl~checkpatch-notice-unbalanced-else-braces-in-a-patch scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-notice-unbalanced-else-braces-in-a-patch
+++ a/scripts/checkpatch.pl
@@ -5104,6 +5104,12 @@ 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",
_
--
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