From: Sven Eckelmann <sven@xxxxxxxxxxxxx>
Subject: checkpatch: remove false unbalanced braces warning
Lines containing "} else {" should not be detected as unbalanced braces.
But the second check can be reduced to ".+else\s*{" and it therefore never
checked if the beginning of a line contains any other character (like the
relevant "}"). This check would also return true for "} else {" and
create warnings like
CHECK: Unbalanced braces around else statement
#391: FILE: ./net/batman-adv/tvlv.c:391:
+ } else {
The check can be changed to check the whole line for the missing "}" to
avoid this false positive.
Fixes: 0d1532456c26 ("checkpatch: notice unbalanced else braces in a patch")
Link: http://lkml.kernel.org/r/20170220121644.12209-1-sven@xxxxxxxxxxxxx
Signed-off-by: Sven Eckelmann <sven@xxxxxxxxxxxxx>
Acked-by: Joe Perches <joe@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN scripts/checkpatch.pl~checkpatch-remove-false-unbalanced-braces-warning scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-remove-false-unbalanced-braces-warning
+++ a/scripts/checkpatch.pl
@@ -5105,8 +5105,8 @@ sub process {
}
# check for single line unbalanced braces
- if ($sline =~ /.\s*\}\s*else\s*$/ ||
- $sline =~ /.\s*else\s*\{\s*$/) {
+ if ($sline =~ /^.\s*\}\s*else\s*$/ ||
+ $sline =~ /^.\s*else\s*\{\s*$/) {
CHK("BRACES", "Unbalanced braces around else statement\n" . $herecurr);
}
_
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