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Subject[PATCH V2] checkpatch: Update $declaration_macros, add uninitialized_var
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Date
Using uninitialized_var reports a false positive for
"Missing blank line after declarations".

Fix it by adding uninitialized_var to the $declaration_macros
exceptions list.

Move the macro list after $Type is declared.

Add optional prefixes to DECLARE_<FOO> and DEFINE_<BAR>
macro declarations to allow forms like:
MLX4_DECLARE_DOORBELL_LOCK

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Dotan Barak <dotanb@mellanox.com>
---
V2: Update the DECLARE and DEFINE macros to
allow prefixed use and clarify postfixes

scripts/checkpatch.pl | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index da74e65..31a731e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -423,11 +423,6 @@ foreach my $entry (@mode_permission_funcs) {
$mode_perms_search .= $entry->[0];
}

-our $declaration_macros = qr{(?x:
- (?:$Storage\s+)?(?:DECLARE|DEFINE)_[A-Z]+\s*\(|
- (?:$Storage\s+)?LIST_HEAD\s*\(
-)};
-
our $allowed_asm_includes = qr{(?x:
irq|
memory
@@ -490,6 +485,12 @@ our $balanced_parens = qr/(\((?:[^\(\)]++|(?-1))*\))/;
our $LvalOrFunc = qr{((?:[\&\*]\s*)?$Lval)\s*($balanced_parens{0,1})\s*};
our $FuncArg = qr{$Typecast{0,1}($LvalOrFunc|$Constant)};

+our $declaration_macros = qr{(?x:
+ (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(?:_[A-Z0-9]+){1,2}\s*\(|
+ (?:$Storage\s+)?LIST_HEAD\s*\(|
+ (?:$Storage\s+)?${Type}\s+uninitialized_var\s*\(
+)};
+
sub deparenthesize {
my ($string) = @_;
return "" if (!defined($string));



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