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checkpatch: warn on unnecessary parentheses around references of foo->bar 

Parentheses around &(foo->bar) and *(foo->bar) are unnecessary.  Emit a
--strict only message on these uses.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Joe Perches 2014-08-06 16:10:48 -07:00 committed by Linus Torvalds
parent 8d73e0e7dc
commit e2826fd070
1 changed files with 8 additions and 0 deletions
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8
scripts/checkpatch.pl
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@ -3491,6 +3491,14 @@ 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:/)) {