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checkpatch: improve multi-line alignment test 

The current test fails to warn about improper alignment with code like

	foo->bar = func(arg1,
				arg2);

because foo->bar is not a single identifier.

Convert the $Ident to $Lval which allows for multiple dereferences.

Link: http://lkml.kernel.org/r/01c35b9b6a12a415e57746d45d589bfaad39952a.1498841563.git.joe@perches.com
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>
This commit is contained in:
Joe Perches 2017-07-10 15:52:30 -07:00 committed by Linus Torvalds
parent 7fe528a27d
commit fd71f63268
1 changed files with 1 additions and 1 deletions
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2
scripts/checkpatch.pl
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@ -2993,7 +2993,7 @@ sub process {
# check multi-line statement indentation matches previous line
if ($^V && $^V ge 5.10.0 &&
$prevline =~ /^\+([ \t]*)((?:$c90_Keywords(?:\s+if)\s*)|(?:$Declare\s*)?(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*|$Ident\s*=\s*$Ident\s*)\(.*(\&\&|\|\||,)\s*$/) {
$prevline =~ /^\+([ \t]*)((?:$c90_Keywords(?:\s+if)\s*)|(?:$Declare\s*)?(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*|(?:\*\s*)*$Lval\s*=\s*$Ident\s*)\(.*(\&\&|\|\||,)\s*$/) {
$prevline =~ /^\+(\t*)(.*)$/;
my $oldindent = $1;
my $rest = $2;