Parentheses around &(foo->bar) and *(foo->bar) are unnecessary.
Emit a --strict only message on these uses.
Signed-off-by: Joe Perches <j...@perches.com>
---
lk sources by far use &foo->bar over &(foo->bar).
(a rough count shows about 25:1)
scripts/checkpatch.pl | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 538105a..8feaee2 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3462,6 +3462,14 @@ sub process {
}
}
+# check unnecessary parentheses around addressof/dereference single $Lvals
+# ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar
+
+ while ($line =~
/(?:[^&]&\s*|\*)\(\s*($Ident\s*(?:$Member\s*)+)\s*\)/g) {
+ CHK("UNNECESSARY_PARENTHESES",
+ "Unnecessary parentheses around $1\n" . $herecurr);
+ }
+
#goto labels aren't indented, allow a single space however
if ($line=~/^.\s+[A-Za-z\d_]+:(?![0-9]+)/ and
!($line=~/^. [A-Za-z\d_]+:/) and !($line=~/^.\s+default:/)) {
--
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